DATA SHEET SSU 2000/SSU 2000e Synchronization Supply Unit (SSU) for Carrier-Grade Networks SSU 2000 SSU 2000e ® The Symmetricom SSU 2000 and SSU High Capacity, High Key Features 2000e are fully manageable synchronization Availability Architecture systems used by communications network • High capacity, modular system The SSU 2000/SSU 2000e architecture is operators to generate and distribute • Integrated GNSS (GPS and GLONASS) designed to integrate intelligent, functional superior synchronization signals for their • E1, T1, CC, RS-422 outputs cards into a flexible, fully redundant networks. The SSU 2000 conforms to ANSI • NTP server with hardware time stamping system to satisfy current capacity and standards and is NEBS certified, while the synchronization technology requirements • IEEE 1588 (PTP) Grandmaster SSU 2000e is ETSI certified. Both systems and allow incremental capacity growth • SyncE option on PTP ports use the same plug-in cards. and deployment of new capabilities with • RADIUS option additional plug-in cards as they are needed. In addition to traditional frequency • Performance monitoring on all inputs network timing capabilities for SDH/ • Management: SNMP, ICS, TL1 The SDU 2000/SDU 2000e Synchronization SONET networks, the SSU 2000/SSU 2000e • TimePictra Synchronization Distribution Unit (SDU) expansion shelves Management System support supports packet network synchronization connect to a corresponding SSU 2000/ with carrier-grade Network Time Protocol SSU 2000e main shelf to provide additional Key Benefits (NTP) server and IEEE 1588 Precision output signals. The expansion shelves use • Single platform for TDM, NTP, PTP Time Protocol (PTP) Grandmaster the framing and synchronization features and SyncE capabilities. The platform supports the of the main shelf to drive an array of output • Fully redundant for service delivery seamless introduction of SyncE output cards. Any combination of T1, E1/2048 kHz, protection capabilities elements into your network Composite Clock and RS-422 output cards, • High capacity: E1 and T1 ports, NTP through the optical Ethernet port on the transactions, PTP clients as well as NTP and PTP server cards may PTP grandmaster card. The SSU 2000 • Proven interoperability be installed. and SSU 2000e use the latest hardware T1 and E1 output cards may be configured Major Applications and software integration technologies to in redundant pairs providing 20 1+1 • Primary Reference Source (PRS), PRC provide a complete synchronization system fully protected outputs per pair. A fully based on Global Navigational Satellite for current and future network needs. System (GNSS) configured SSU 2000 system provides The SSU 2000/SSU 2000e is a key element • SSU, Building Integrated Timing Supply T1/E1 output total capacity of up to 1280 (BITS), Stand Alone Synchronization in the Symmetricom synchronization unprotected ports or 640 protected ports. A Equipment (SASE), Timing Signal distribution architecture (SDA) for LTE fully configured SSU 2000e system supports Generator (TSG) networks, synchronizing frequency for up to 460 protected or unprotected ports. • SDH/SONET, Ethernet, GPON networks backhaul networks with SyncE, supplying • 2G/3G and 4G/LTE networks Both shelf systems support high capacity PTP sync for the 4G/LTE mobile stations, NTP and PTP cards in single server or 1:1 • Telecommunications, power utility, and providing NTP sync for residential government and other private networks protected configurations. Additional server small cells. Page 1 of 8 DATA SHEET SSU 2000/SSU 2000e cards grow total system client capacity. SyncE is available as an option on the PTP cards. Frequency input signals are passed through Input Output in case of multiple internal failures, including clock failures. The shelves accept dual DC power and provide independent power conversion on each card. All cards GNSS INPUT are individually fused to protect the system in case of a short circuit on any one card. Industry Standards Compliance, NEBS Level 3 Certification The SSU 2000 and SSU 2000e are designed to meet the latest and evolving industry . . standards, including ANSI, Telcordia, . SSU 2000/SSU 2000e Block Diagram . . ITU-T, ETSI, IEEE 1588 and CE/AS. The SSU 2000 is fully Network Equipment Building • Improves the overall performance of • 10 MHz (sine or square) System (NEBS) Level 3 certified. the network In the SSU 2000e each input slot supports Intelligent Cards • Lowers the overall OAM&P costs (Opera- connections for termination, bridging, Each card has an integrated CPU with tion, Administration, Maintenance, and monitoring and traffic pass-thru. Provisioning). software for superior reliability, flexibility These connectors provide performance and functionality. Cards can be hot- monitoring, impedance termination and • Single unit PRS swapped while the unit is operating without traffic pass through to network elements • UTC traceable time source for integrated any degradation of the output signals. Each and input references. PTP grandmaster clocks and NTP servers intelligent card supports the management Various input impedance panels are Two cards are available: The GNSS card of critical, major and minor alarms. available for the SSU 2000 to support the supports GPS and GLONASS signals Powerful management can be performed following balanced or unbalanced signal and can be locked to either one or both to and within each card through the impedances: simultaneously. Also available is a communication card, including in-service dedicated GPS-only card. • 50 ohms (sine) upgrades of software and programmable • 75 ohms (T1/E1) logic devices. Input Cards • 100 ohms (T1) Auto-reconfiguration: If a card is removed The SSU 2000 accepts up to nine input and a like card installed in the same • 120 ohms (E1) cards; the SSU 2000e accepts up to three slot, the new card will be automatically input cards. The platform supports the • 133 ohms (CC) configured to the same settings as the following input signals: • High impedance for timing extraction only previous card. • T1 (framed) (bridging mode) • E1 (framed) • Panel/adapter connection interfaces: GNSS Cards • SSM quality - Wire wrap The SSU 2000/SSU 2000e integrates - BNC • JSW and JCC (Japan) single or dual satellite system receiver - Siemens • 1 MHz (sine or square) cards to meet primary reference clock - DE-9 • 1.544 MHz (sine or square) requirements. Integrated capability delivers Input signals are passed through to • 2.048 MHz (sine or square) these key benefits: corresponding outputs in case of multiple • 5 MHz (sine or square) • Flattens the number of levels in the internal failures, including clock failures. synchronization distribution hierarchy Page 2 of 8 DATA SHEET SSU 2000/SSU 2000e Re-amplify, and Re-time) for the signal to Intelligent Clock Cards, Superior E1/2.048 MHz Output Card a client network element. When the LRU Holdover Performance The E1/2.048 MHz output card has 20 ports receives a data stream, it re-times the The SSU 2000/SSU 2000e accepts single or that are software-selectable for either E1 data with the transmit clock signal. The dual clocks. Three clock cards are available or 2.048 MHz output signals. The E1 signal clock signal is inserted into the line route to meet different international standards has a multiframe format, with selectable between two path-terminating elements. and specific holdover requirements: Channel Associated Signaling (CAS) or Side 1 is the direction in which timing is ITU-T Type 1 (ETSI Slave Clock, enhanced Common Channel Signaling (CCS). applied, and contains the line performance quartz oscillator), Type II (Stratum 2E, T1 (DS1) Output Cards and reporting and AIS generator. Side 2 enhanced rubidium oscillator), and Type III Capabilities provides “2R”, which Re-shapes and Re- (Stratum 3E, enhanced quartz oscillator). The T1 output card has 20 ports. The T1 amplifies (regenerates) the signal from the Redundant configurations may use a mix output card generates phase-locked output client network element. of technologies. In case of loss of GNSS signals of 1.544 MHz. and input references, the SSU 2000/SSU Composite Clock Output Card 2000e uses intelligent software to provide E1 and T1 Line Retiming Units (LRU) The Composite Clock output card enhanced output performance beyond the The SSU 2000 supports both E1 and T1 line generates 20 signal pairs (TIP and RING required holdover stability. Its superior retiming units (LRU). The LRU is comprised signal pairs). Each output is a transformer- holdover capability retains stratum G.812 of a Line Re-timing Module (LRM) and a coupled symmetrical pair. Each output pair performance for three weeks during Cut-Through Assembly (CTA). The LRU is can be turned off independently of other holdover conditions with Symmetricom a four-port (quad) card. The LRU inserts channels. Relays on each output allow for rubidium technology. E1 or T1 signals on both sides of a cross disconnecting the driver output from the connect panel in a central office. Side 1 output pins. Output Cards of the re-timer provides “3R” (Re-shape, The SSU 2000’s main shelf supports 8 output cards, providing up to 160 unprotected outputs. Up to four expansion NTP Performance Enterprise Class SSU 2000 shelves can be added, providing up to Time Stamping Precision Software (10μs) Hardware (10ns) 1120 additional unprotected output ports. Scalability Fixed Card based The output cards may be configured for Holdover √ √ redundant operation. Redundancy √ The SSU 2000e’s main shelf supports TL1 Management √ up to 6 output cards, providing up to 60 NEBS √ protected or unprotected output ports. Up . . SSU 2000/SSU 2000e carrier-grade NTP meets high QoS requirements for . to four expansion shelves can be added, . . NGN telecommunications network. . providing up to 400 additional protected or unprotected output ports. Any output card can be removed or inserted while power is applied without affecting the operation of any other card or the system. Various output cards are available to meet specific signal and interconnection requirements including T1, E1, CC, JSW, JCC, RS-422, NTP, and IEEE 1588 PTP. The activation of the output ports are fully user controllable. . . . Symmetricom’s NTP and PTP cards . . can be installed as single servers or . . . redundant pairs in any available master . . . or expansion shelf output slots. . Page 3 of 8 DATA SHEET SSU 2000/SSU 2000e RS-422 Output Card and is embedded into the system’s outputs. each added card. Front-access NTP traffic An embedded, editable table allows ports utilize Small Form-factor Pluggable The RS-422 output card generates 10 upgrades as standards evolve. (SFP) modules for flexibility to support balanced square-wave outputs (TIP and 100/1000BaseT electrical or 1000Base-X RING signal pairs on ports 1-10) and 10 NTP Server Card optical interfaces. NTP server cards can single-ended (RING) TTL square wave NTP requirements in telecommunication support both independent public and outputs on ports 11-20. Each output can networks have rapidly evolved from a private network domains, providing added be turned off independently of other ports. “best effort” utility to mission critical. With security and flexibility. All configuration Relays on each output disconnect the driver high performance NTP server cards the and management is consolidated through output from the output pins. SSU 2000/SSU 2000e platform delivers SSU 2000 system management ports to Connectivity carrier-grade NTP to meet demanding maintain security and isolation from NTP next generation network requirements. The For the SSU 2000, there are a variety of traffic ports. NTP server cards provide the performance, input and output panels available with NTP cards for SSU 2000/SSU 2000e scale, availability and security that assure several types of connectors. These include provide superior stability and protection high QoS delivery of advanced services DE9, wire-wrap, BNC, and Siemens type through direct connection to the system such as IPTV, multimedia content delivery connectors. Also available are high density backplane. NTP Stratum level 1 UTC and residential small cells, as well as wire wrap panels in both 80 and 100 (Universal Coordinated Time) traceability is distributed BSS/OSS operations. output versions. For the SSU2000e, DE9 established through the GNSS or GPS input connectors are included in the shelf design. The NTP server cards are fully integrated card. NTP Cards for SSU 2000 can also into the SSU 2000/SSU 2000e platform. operate at NTP Stratum level 2 with UTC Synchronization Status NTP cards can be installed as single time traceability back to a NTP Stratum 1 Messages (SSM) servers or redundant pairs in any available card located in another office. The input card reads and processes SSM in master or expansion shelf output slot. NTP accordance with ITU-T and ANSI standards PTP Grandmaster Card capacity scales up at a rate of up to 1000 to determine the traceability of inputs. This fully authenticated transactions per second With high-performance PTP Grandmaster traceability information is then used by the (TPS) or up to 1500 unauthenticated TPS for server cards the SSU 2000/SSU 2000e clock cards in selecting a reference signal, Hardware time stamping delivers superior accuracy for telecom applications. Hardware time stamping delivers High capacity NTP server engine superior accuracy for supports up to 1500 transactions telecom applications. per second. System capacity scales up with additional cards. System capacity scales up with Dual front-access NTP traffic additional cards. ports allow for flexible network configuration and protection. Traffic port allows NTP Stratum 1 performance with for flexible network direct time-of-day reference from configuration and GPS input of the SSU. protection. . . . . . . . NTP Cards for the SSU 2000/SSU 2000e . PTP Cards for the SSU 2000/SSU 2000e. Optional SyncE capability. . . Page 4 of 8 DATA SHEET SSU 2000/SSU 2000e Ethernet Ethernet eNodeB/BTS Embedded IEEE 1588 Client Ethernet Switch Ethernet Ethernet eNodeB/BTS Embedded IEEE 1588 Client Ethernet Ethernet eNodeB/BTS Embedded IEEE 1588 Client Ethernet Ethernet Ethernet eNodeB/BTS TimePictra SSU 2000 T1/E1 Integrated IEEE 1588 sync reference Management and Time Provider 500 Performance Metrics IEEE 1588 Translator eNodeB/BTS Ethernet Ethernet T1/E1 sync reference Time Provider 500 IEEE 1588 Translator . . . . IEEE 1588 (PTP) Grandmaster Server Cards provide synchronization traceability over Ethernet to PTP client clocks in remote base stations. . . platform delivers carrier-grade PTP to backplane. PTP cards operate either in management software solutions, the meet demanding NGN packet timing arbitrary (ARB) timescale mode or in communication module provides powerful requirements. PTP cards provide the International Atomic Time (TAI) timescale fault, configuration, accounting/inventory, performance, scale, availability and security with full UTC traceability through the SSU performance, security, and other optional to deliver carrier-grade synchronization to 2000/SSU 2000e integrated GNSS or GPS management functions. remote PTP clients over Ethernet networks. input card. Both communications cards support the Synchronous Ethernet The Symmetricom PTP cards are fully following management interfaces: The IEEE 1588 PTP card offers an option integrated into the SSU 2000/SSU 2000e • Interactive Command Set (ICS), ASCII for SyncE physical layer frequency system. They can be installed as single • TL1 synchronization through the 1000Base-X servers or redundant pairs in any available • SNMP (v2 or v3) optical Ethernet output port. Ethernet master or expansion shelf output slot. Synchronization Message Channel (ESMC) PTP capacity scales up to 400 full-rate RADIUS, SSH, SFTP per the OSSP protocol is supported. Fully clients per card. Front-access PTP traffic The Remote Authentication Dial-In User standards compliant SyncE with PTP ports utilize Small Form-factor Pluggable Service (RADIUS) Capable communications makes the SSU 2000/SSU 2000e platform (SFP) modules for flexibility to support card includes security features such as an excellent solution for next generation 100/1000Base-T electrical or 1000Base-X support for RADIUS authentication, Secure 4G/LTE and mobile backhaul networks. optical interfaces. All configuration and Shell (SSH) and Secure File Transfer management is consolidated through SSU Communications, Management Protocol (SFTP). This communications 2000/SSU 2000e system management and Security card was designed for environments ports to maintain security and isolation where secure access to network elements The SSU 2000/SSU 2000e uses a from PTP ports. is critical. Using SSH-encrypted client single communication card, available The PTP cards provide superior stability authentication and up to 32 characters in two different models: basic and and protection through direct connection for user ID and password access, it RADIUS-Capable communication card. to the SSU 2000/SSU 2000e system enables communication with a centralized Coupled with Symmetricom’s advanced Page 5 of 8 DATA SHEET SSU 2000/SSU 2000e ® server to authenticate remote users and TimePictra Symmetricom Global Services authorize their access to the SSU 2000/SSU The SSU 2000/SSU 2000e is fully Symmetricom provides synchronization 2000e system. Four access levels (user, supported by Symmetricom’s TimePictra services that assist customers with the technician, supervisor or administrator) advanced Synchronization Management planning, deployment and maintenance of and automatic logout provide superior System. TimePictra provides full synchronization infrastructure. Services are security access to the system, ideally suited FCAPS capabilities (fault, configuration, designed to help lower costs, streamline to enterprise and international gateway accounting/inventory, performance and processes, ensure quality, and deliver the deployments where secure remote access security) as well as an array of advanced highest level of performance from your is required. management features, including the synchronization network. ability to monitor PTP clients. The RADIUS card also allows network The Platform Maintenance service administrators to schedule automatic With a multi-tier architecture (server, bundles together Symmetricom’s industry firmware upgrades. System firmware in client, and database) TimePictra provides leading technical support along with all the master and expansion shelves can be scalability and performance to meet software maintenance. As part of Platform scheduled for automatic updates without growing network services and business Maintenance, customer will receive all further human intervention. Using a secure needs. The secure web browser client updates as well as all upgrades including FTP (SFTP) connection, this card can provides easy access and eliminates the all patches, point releases, maintenance automatically download firmware from a complexity of client installation and VPN releases and related documentation for remote server to upgrade the SSU 2000/ access. your purchased version of software during SSU 2000e system (NTP and PTP cards the contract period. must be individually updated using their management Ethernet port). Two system images can be stored on the card, giving SSU 2000 Access Using RADIUS Authentication the user the ability to update or revert to a 1 User requests access to SSU 2000 (using SSH protocol) standby image with a simple command. 2 SSU 2000 requests user authentication from RADIUS Authentication Server RADIUS server TimeCraft 3 RADIUS server authorizes user access Available to support the SSU 2000/ 4 User communicates with SSU 2000 (using SSH protocol) SSU 2000e, TimeCraft is an easy-to- use Graphical User Interface (GUI) management tool that reduces the 3 complexity of using TL1 or CLI commands. Its intuitive GUI allows the operator to supervise and control a network element Enterprise or International Ethernet Network either remotely or locally through icons and 1 simple point and click operations. 2 TimeCraft capabilities include support 4 Remote User for remote firmware upgrades and provisioning to the port level, event- driven fault management, physical and logical configuration management, and SSU 2000 with RADIUS Capable performance and security management. Communication Card Page 6 of 8 DATA SHEET SSU 2000/SSU 2000e Specifications . . SHELF ARCHITECTURE, CAPACITY CALCULATIONS . . . SSU 2000 SYSTEM . MTIE . . • SSU 2000 Main Shelf, 12 slots: 2 clock, 1 communication, 9 for either input or . • Meets or exceeds the latest ITU-T, ANSI and Telcordia standards with measurement . . output cards. intervals of 0.05 to 100,000 seconds. GNSS/GPS is 1 to 100,000 seconds . . - 27 total maximum input ports . . TDEV - 160 total maximum unprotected output ports . . . - 80 total maximum protected output ports • Exceeds the latest ITU-T, ANSI and Telcordia standards with measurement intervals . . of 0.1 to 10,000 seconds. . • SDU 2000 Expansion Shelf, 16 slots: 2 buffer cards, 14 output cards . . System supports 4 expansion shelves. The last expansion shelf in the chain can be . PHASE . located up to 200 feet away from the main shelf. . . • 1, 100, 1000, and 10,000 second phase averages and history are available. . - 280 total maximum unprotected output ports per shelf . . - 140 total maximum protected output ports per shelf . FREQUENCY . . • SSU 2000 system total output capacity (main shelf plus 4 expansion shelves) . • Frequency measurements can be viewed via user selectable calculation periods . - 1280 total maximum unprotected output ports . . from 10 to 10,000 seconds. - 640 total maximum protected output ports . . . . . CLOCK SSU 2000e SYSTEM . . . CLOCK CARD TYPES • SSU 2000e Main Shelf: 12 slots: 2 clock, 1 communication, 3 input cards, . . . 6 output cards. • Enhanced Rubidium, Stratum 2E Type II . . Output slots are pre-wired for redundant pairs. . • Enhanced Quartz, Stratum 3E Type III . - 9 total maximum input ports . . • Enhanced Quartz, Type I for ITU-T standards . - 60 total maximum protected or unprotected output ports . . . CLOCK PERFORMANCE • SDU 2000e Expansion Shelf, 12 slots: 2 buffer cards, 10 output cards . . System supports 4 expansion shelves. Output slots are pre-wired for redundant . • Compliant with clock levels per ANSI T1.101-1999, ITU-T G.812, Telcordia . . operation. The last expansion shelf in the chain can be located up to 60 meters away GR-2380/1244-CORE and ETSI EN300 462-4 . . from the main shelf. . . CONTROL - 100 total maximum protected or unprotected output ports . . . • DDS (Direct Digital Synthesis) technology for cost-effective calibration-free operation • SSU 2000e system total output capacity (main shelf plus 4 expansion shelves) . . and precise frequency control . - 460 total maximum protected or unprotected output ports . . . . OUTPUT . INPUT . . . OUTPUT CARD TYPES INPUT CARD TYPES . . All frequency cards have 20 output ports . • T1 framed, 1/1.544/2.048/5/10 MHz sine or square wave, user settable . . • T1 (DS1) . • E1 framed, 1/1.544/2.048/5/10 MHz sine or square wave, user settable . . • E1, port selectable 2.048 MHz/2.048 Mbps . • Composite Clock . . • Composite Clock . • 1.544 MHz or 6.312 MHz sine wave (Japan) . . • RS-422 (10 ports) and TTL (10 ports) provide output frequencies from 8 kHz to 4096 . • Composite Clock (Japan) . . kHz in 8 kHz steps . • GNSS (GPS and GLONASS) . . • Sine Wave, 1.544MHz or 6.312 MHz (Japan) . • GPS only . • Composite Clock (Japan) . . INPUT CAPABILITIES . . REDUNDANCY . . • Embedded Sync Status Messaging (SSM) . • 1+1 output protection (both cards active) . - Compliant with SSM specification per T1X1.3 TR33, ANSI T1.101-1999, ITU-T . . G.704, and Telcordia GR-253-CORE . . . • Integrated performance measurements (TIE, MTIE, TDEV, ERROR RATES) on all . NTP SERVER CARD . inputs . . NETWORK PROTOCOL . • Selection mode: Priority, SSM, Performance Mask . . • NTPv4 – RFC 5905 compliant . • Real time CPU: Intelligent software for real-time MTIE, TDEV and TIE performance . . • Supports client and server modes in unicast and broadcast . monitoring. . . • IPv4 (annex D) . . GNSS/GPS CARDS . . TIME STAMPING • Integrated single or dual (protected input) cards . . . • Hardware Time Stamping • Compliant with Stratum 1 PRS (Primary Reference Source) per ANSI T1.101-1999, . . . • Time Stamp Precision: <10 ns rms typical ITU-T G.811, Telcordia GR-2830/1244-CORE, and ETSI EN300 462-6. . . . . TIME ACCURACY . PERFORMANCE MEASUREMENT . . • Tracking to GNSS (GPS or GLONASS): <250 ns when locked to GNSS source . RESOLUTION . . INPUTS . . • Measurements are provided for each input versus each clock at a resolution of 1 ns . . • Stratum 1: from GNSS (GPS or GLONASS) input . SAMPLING RATE . • Stratum 2: full NTP client . . • 40 Hz for all frequency cards . . TRAFFIC PORTS . • 1 Hz for GNSS/GPS cards . . • 2 Ethernet Small Form-factor Pluggable (SFP) . • 1 Hz averaging . . - Optical: 1000Base-X . . - Electrical: 100/1000Base-T . . . Page 7 of 8 DATA SHEET SSU 2000/SSU 2000e Specifications . . . . TRANSACTION RATE MANAGEMENT INTERFACE PROTOCOLS . . . • Up to 1000 fully authenticated / 1500 unauthenticated transactions per second (TPS) • Simple fault, visual & contact closures . . . • TCP/IP, IPv4 . AUTHENTICATION . . • TL1 . • MD5 (RFC 1321) . . • Interactive Command Set (ICS), ASCII . . PROTECTION . • SNMPv2, SNMPv3 (optional) . . • 1:1 protection (hot standby) . . . RS-232 ports support ASCII and TL1, and Ethernet port supports all of the above. . . PTP GRANDMASTER CARD The Ethernet port supports four telnet sessions, two TL1 sessions, and five SNMP . . . messages NETWORK PROTOCOL . . . • IEEE 1588 . EVENT LOG . . - Support for 1-step or 2-step clock • Stores up to 1000 events from any system faults, user interventions, and system . . - Unicast, layer 3 (with dynamic reservations) . actions. Events are time & date stamped to less than 1 msec . . • IPv4 (annex D) . . SECURITY . . PTP PROFILE . • Standard Communication Card . . • ITU-T G.8265.1 Telecom - User ID length: up to 20 . . - User password length: up to 12 . • Telecom-2008 v2 . . - User access levels: 4 . PTP CAPACITY . . • RADIUS Capable Communication Card . . • Standard: up to 125 PTP clients per card at full rate of 128 messages/second - Secure Shell (SSH) . . - Secure FTP (for system software updates) • License option: up to 400 PTP clients per card at full rate of 128 messages/second . . - User ID length: up to 32 . . TIME STAMPING . - User password length: up to 32 . . - User access levels: 4 • Hardware Time Stamping . . . • Time Stamp Precision: <10 ns rms typical . MANAGEMENT SOFTWARE . . Available management programs (see separate datasheets) . TIME ACCURACY . . • TimeCraft Windows GUI-based local management terminal . • Tracking to GNSS (GPS or GLONASS): <250 ns when locked to GNSS source . . • TimePictra Synchronization Management System . . TIME SCALE SUPPORT . . . • International Atomic Time (TAI), GPS card required ENVIRONMENTAL . . . • Arbitrary Time Scale (ARB) . POWER . . . TRAFFIC PORT • Dual -38 to -75 VDC . . . • SSU 2000: Less than 120 watts power consumption per shelf • One Ethernet Small Form-factor Pluggable (SFP) . . - Optical: 1000Base-X . • SSU 2000e: Less than 100 watts power consumption per shelf . - Electrical: 100/1000Base-T . . . SIZE (HxWxD) . VLAN SUPPORT . . • SSU 2000: 10.5” x 17” x 11.5” (26.7 cm x 43.2 cm x 293.2 cm) . • 4 VLANs (IEEE 802.1Q) . . • SSU 2000e: 19.6” x 17” x 9” (50 cm x 43.2 cm x 22.9 cm) . . Widths do not including mounting ears PROTECTION . . . • 1:1 protection (hot standby) . WEIGHT (provisioned) . . . • SSU 2000: approx. 27 lbs (12.3 kg) main unit SYNCHRONOUS ETHERNET OPTION . . . • SSU 2000e: approx. 27 lbs (12.3 kg) main unit • 1000Base-X optical Ethernet output port . . . • Ethernet Synchronization Message Channel (ESMC) support . TEMPERATURE . . • ITU-T G.8261, G.8262, G.8264 . • Operating temperature: 0°C to 50°C . . . • Storage temperature: -20°C to 75°C COMMUNICATION & MANAGEMENT . . . • Relative humidity: 80% non-condensing MANAGEMENT . . . • The SSU 2000/SSU 2000e is a fully automated and software manageable system. . EMC . . Firmware upgrades can be remotely installed. • Radiated emissions per Class B requirements . . . • EN 300 386-2 . COMMUNICATIONS CARD TYPES . . • GR-1089-CORE • Standard Communications Card . . . . • RADIUS Capable Communications Card RoHS . . . • 5 of 6 COMMUNICATION PORTS . . . • RS-232 (EIA-232) . . . • Ethernet, 10Base-T . . 2300 Orchard Parkway © 2013 Symmetricom. Symmetricom and the Symmetricom logo are registered trademarks San Jose, California 95131-1017 of Symmetricom, Inc. All specifications subject to change without notice. tel: 408.433.0910 fax: 408.428.7896 www.symmetricom.com DS/SSU 2000 & SSU 2000e/011113 900-00356-000 A