DXC-8R/10A/30/30E Multiservice Access Nodes FEATURES • Modular DXC family • Management: includes the following � Out-of-band via V.24 • Modular Multiservice Access chassis types: supervisory port or Nodes � DXC-8R supports up to Ethernet port • Non-blocking digital 32 ports � Inband via TS 0 or cross-connection of up to � DXC-10A supports up to dedicated timeslot 960 timeslots 40 ports � RADview SNMP • Traffic grooming � DXC-30 supports up to management system 120 ports on PC or UNIX (HP • E1/T1 conversion including OpenView) platform A-law/μ-law and signaling � DXC-30E supports up to conversion 240 ports • Telnet support • Transmission of T1 traffic • Separate dial-in/dial-out port • Provide STM-1, E3, T3, E1, over E1, per ITU-T G.802 T1, n × 56/64 kbps and • Provide SNMP agent and • Broadcast support ISDN services over copper, support standard fiber, or xDSL media management protocols: SLIP, • Test and monitoring at any PPP and RIP2 port • Optional common logic and • Local loop access solution power supply redundancy • Controlled slip buffer for with LTU or CSU options for overflow/underflow • 1:1 protective switching extended range, built-in • Inverse multiplexing module fiber optic, or 2-wire/4-wire • TFTP support for common transmits up to 15.6 Mbps xDSL modems logic software upgrade DXC-8R/10A/30/30E Multiservice Access Nodes E1/T1 CONVERTER DESCRIPTION • To support the needs of different applications, the DXC family • DXC can function as a converter features four chassis variants: • The DXC family of modular between 16 E1 ports and 16 T1 Multiservice Access Nodes � DXC-8R (1U-high) chassis with ports. provides non-blocking cross 4 I/O module slots • A-law/μ-law companding and connection of up to � DXC-10A (1U-high) chassis with signaling conversion are performed 960 timeslots, over up to 5 I/O module slots according to the E1 and T1 240 ports. Plug-in interface standards. � DXC-30 (3U-high) chassis with modules enable n × 56/64 kbps, 15 I/O module slots E1, T1, E3, T3, or STM-1 BASIC UNITS � transmission over copper, fiber, DXC-30E (6U-high) chassis with • The basic DXC-30 and DXC-30E HDSL, IDSL, or SHDSL lines. A 15 6U-high I/O module slots. units include one power supply, DIM module that provides • All units can be mounted in one common logic module, and inverse multiplexing capabilities 19-inch racks. fifteen I/O slots for the plug-in of up to 15.7 Mbps is available. interface modules. Optional CROSS CONNECT • Typical applications for the DXC redundancy for the common logic • DXC-30 and DXC-30E support up include: and power supply is available. to 120 and 240 ports, � Local loop access with traffic • The basic DXC-10A unit includes respectively. DXC-10A supports grooming for redirecting voice one power supply, one common up to 40 ports, while the smaller and data to different trunks (see logic module, and five I/O slots for DXC-8R supports up to 32 ports. Figure 1) the plug-in interface modules. A user-defined connection table � Concentrating multiple fractional routes any incoming 56/64 kbps • The basic DXC-8R unit includes E1/T1 lines from a cellular Base timeslot to any outgoing two power supplies and two Transceiver Station (BTS) onto a 56/64 kbps timeslot. Support is common logic modules for system full E1/T1 link to the Mobile provided for drop-and-insert and redundancy. The DC power Switch Center (MSC) (see broadcast applications. supplies are hot-swappable. Figure 2) DXC-8R has four I/O slots for • Cross-connection of n × 56 kbps � plug-in interface modules. Conversion/gateway between E1 or n × 64 kbps channels is done and T1 networks for both data by placing the data onto E1 or T1 and voice (see Figure 3) frames, using only the required � Inverse multiplexing a single number of timeslots. This provides higher-rate logical channel over Fractional CSU/DSU functionality. up to 8 E1/T1 links (see Figure 4). APPLICATIONS Figure 1. Multiservice Access Platform Table 1. DXC I/O Modules Module Technology Description DHS Copper Two-port n × 56/64 kbps data module D8HS Copper Eight-port n × 56/64 kbps data module DE1B Copper/Fiber optic Two-port E1 interface module with BERT DT1B Copper/Fiber optic Two-port T1 interface module with BERT D4E1, D8E1 Copper Four- or eight-port E1 interface modules D4T1, D8T1 Copper Four- or eight-port T1 interface modules DE3 Copper/Fiber optic One-port E3 interface module DT3 Copper/Fiber optic One-port T3 interface module DFSTM-1 Copper/Fiber optic One- or two-port STM-1 module D8U, D16U Copper Eight- or sixteen-port ISDN “U” interface modules DHL/E1 HDSL 4-wire Two-port E1 over 4-wire HDSL module D4SL, D8SL SHDSL 2-wire Four- or eight-port E1 over 2-wire SHDSL module DIM Copper Digital inverse multiplexer module Figure 2. Bandwidth Optimization in a GSM Network Using DXC-10/30 DXC-8R/10A/30/30E Multiservice Access Nodes • D8U and D16U are 8- or 16-port COMMON LOGIC • D4T1 and D8T1 are 4- or 8-port T1 ISDN "U" interface modules that interface modules that provide 4 or 8 • The DCL.3 common logic module provide independent ISDN "U" T1 links over copper cables, with stores the matrix configuration and ports, each supporting 2B + D built-in CSU, and support T1 or event information, as well as the channels, for a total payload data fractional T1 rates. configuration for alarm masking. It rate of up to 128 kbps per port. communicates with the management • DHS is a two-port n × 56/64 kbps D8U/D16U can be configured station using a SLIP/PPP/Ethernet data module that provides two either to extend ISDN lines over connection (by means of an SNMP high-speed synchronous data channels. non-ISDN facilities, or as a agent). DCL.3 can pass management Each channel can be ordered dedicated LTU (Line Termination information received from 30 different independently with a V.35, Unit) for RAD’s ASM-31 or ASMi-31 remote sites, over TS 0 or any single V.11/RS-422, V.24, or X.21 interface. short-range modems. dedicated timeslot, to the central Ethernet 10/100 Mbps bridge and IP • D4SL and D8SL are four- and eight- management site. Flash for software router versions are also available. port I/O modules that use SHDSL download, Telnet and ASCII terminal Synchronous channels support data technology to extend the range of management are also supported. rates of n × 56/64 kbps, (where n is 1 DXC up to 8 km (5 mi) on 24 AWG to 24 for T1, and 1 to 31 for E1). I/O MODULES (See enclosed data (0.5 mm) 2-wire copper cables. sheets for detailed specifications.) • D8HS is an eight-port Combined with RAD’s ASMi-52, n × 56/64 kbps data module that FCD-IP, or standard SHDSL CPE, • DE1B is a two-port E1 interface they extend the range of the provides eight high-speed module that supports both 2 and traditional subscriber loop while synchronous data channels. Each data 16 frames per multiframe formats, saving on copper infrastructure. channel can support data rates of n × TS 0 multiframe with CRC-4 and 56/64 kbps (where n = 1 to 24 for T1 HDB3 line code, and unframed • DHL/E1 is a two-port HDSL module and 1 to 32 for E1 links). operation. For long-range that uses HDSL technology to extend applications, an LTU option is the range of DXC up to 4.0 km (2.5 • DE3 is a single-port E3 interface available. DE1B provides BERT, mi) on 24 AWG module that multiplexes up to loopback per timeslot, and 1:1 4-wire copper cables. It works 16 E1 channels into an E3 frame. redundancy. DE1B is available with together with other RAD products DE3 is available with either copper either copper or fiber optic interfaces. using HDSL technology. or fiber optic interfaces. • DIM is a digital inverse multiplexer • DT1B is a two-port T1 interface • DT3 is a single-port T3 interface module that transmits a single module that supports D4, ESF module that multiplexes up to higher-rate RS-530, V.35, X.21, framing formats, or unframed 28 T1 channels into a T3 frame with HSSI, E1, or ETH signal over up to operation. For long-range either C-bit parity or M13. DT3 is 8 separate E1/T1 lines. DIM splits applications, a CSU option is available with either copper or fiber and transmits the individual signals available. DT1B provides BERT, optic interfaces. through DE1B, DT1B, DE3, DT3, loopback per timeslot, and 1:1 D4E1, D8E1, D4T1, D8T1, or redundancy. DT1B is available with • DFSTM-1 is a fractional STM-1 DFSTM-1 interface modules, using either copper or fiber optic module that provides direct access to different paths or facilities, to ensure interfaces. Synchronous Digital Hierarchy (SDH) transmission integrity. • D4E1 and D8E1 are 4- or 8-port E1 transmission cores, at STM-1 data interface modules that provide 4 or rates (155.520 Mbps). An optional 8 E1 links over copper cables, with second interface is available for built-in LTU, and support E1 or redundancy or linear ADM fractional E1 rates. (daisy-chain) configurations. Figure 3. E1/T1 Conversion DXC-8R/10A/30/30E Multiservice Access Nodes • Station Clock Interface • Enhanced statistics include T1 ESF MANAGEMENT Data rate: diagnostics according to ANSI T1.403 • Status and diagnostic information is 1.544/2.048 Mbps (selectable) and RFC 3895; E1 CRC-4 diagnostics defined, configured, and monitored Compliance: per ITU-T Rec. G.706; T3 diagnostics over a V.24 supervisory port or ITU-T Rec. G.703 or per RFC 3896, ANSI T1 107/107a; E3 optional Ethernet management port, V.11/RS-422 diagnostics per RFC 3896, and STM-1 using an ASCII terminal with SLIP or Connectors: diagnostics per RFC 2258. PPP protocols. A built-in SNMP RJ-45, balanced agent enables remote management TIMING BNC coaxial, unbalanced for configuration and diagnostics of • System timing options include: • Elastic Buffer remote devices (up to 30 remote internal clock, external station Buffer length: ±1 E1/T1 frame locations) using TS 0, a dedicated (master) clock, or loopback timing Underflow: 1 frame repeated timeslot on the E1/T1 trunk, or from any selected external port. Overflow: 1 frame skipped Telnet. (No frame sync loss for buffer REDUNDANCY • A separate dial-in/dial-out port overflow or underflow) supports remote configuration • System hardware redundancy is Data delay: up to 375 μsec (dial-in) and automatic alarm provided through optional Signaling buffer: ±1 E1/T1 indication (dial-out). For dial-out redundant power supply and multiframe operation, an external modem is common logic (all chassis versions • Diagnostics activated to automatically dial a except DXC-10A). � pre-programmed number whenever Local loopbacks on all external • DXC I/O modules support three types an alarm event occurs. and internal ports (apart from VC- of redundancy: 4) • The network management system � Line redundancy (single-slot, 1:1) � Remote loopbacks on all external provides centralized control of all ensures protective switching and internal ports (apart from VC- network nodes, including interface within less than 50 msec, between 4, VC-12) configuration, connection setup, ports on the same module. � Code activated network loopbacks and alarm management. Alarm per ANSI T1.403 on T1 interface status and system configurations are � Hardware (Y-cable) redundancy modules available at all times. between modules protects the � Loopback for any timeslot per • Multiple DXC hubs can be managed service from hardware failure. This ANSI 403 RDL on E1 and T1 with RAD’s user-friendly, UNIX- type of redundancy is supported interface modules based, SNMP management systems by copper interfaces only. � Built-in BERT on all external E1, RADview-EMS or � E3/T3 line and dual-slot hardware T1, DHS, and DIM ports RADview-HPOV/TDM. redundancy is achieved by � Alarm mask (user-defined) • A remote DXC can be programmed installing two DE3/DT3 modules • Statistics and setup either: in a chassis, where only one � T1, ESF diagnostics: module is active. � Out-of-band: using the Ethernet Full support according to management port, the supervisory ANSI T1.403; local support port of the remote unit, over a SPECIFICATIONS according to AT&T 54016 and modem link, or over a FRAD RFC 3895 • Timeslot Mapping � Inband: via either TS 0/F-bit, or Transparent FDL between ports Any timeslot to any timeslot, � over a single dedicated timeslot, T3 diagnostics: with/without A-law/μ-law and/or supporting FR, PPP and RIP2 RFC 3896, ANSI T1 107, signaling conversion per timeslot standard protocols. ANSI T1 107a • Unused Timeslot Code � E1 CRC-4 diagnostics: DIAGNOSTICS Any user-defined code Per ITU-T Rec. G.706; • DXC provides diagnostic loopbacks RFC 3895, 3896 • Timing for each E1/T1 or n × 56/64 kbps Local support equivalent to System clock source: module. E1 and T1 interface modules AT&T 54016 Internal clock (±32 ppm) support loopbacks by timeslot, � E3 diagnostics: RFC 3896 External clock (G.703, RS-422) including an internal BERT, and � STM-1 diagnostics: RFC 2258 Receive clock (from any port) loopbacks toward the local or remote DTE. T1 interface modules also support PLB or LLB code injection per ANSI T1.403. Any port can be configured to test and monitor data on any given port of the enclosure. DXC-8R/10A/30/30E Multiservice Access Nodes • Management Port ORDERING SUPPLIED ACCESSORIES � Dial Port (SP-MODEM) with Basic units, additional system modules, Rack mounts are supplied according to V.24/RS-232, async interface; and I/O modules are ordered the device ordered. Data rate: 0.3–57.6 kbps, or separately. When ordering I/O autobaud RM-DXC8R modules, see module data sheets. Connector: D-9 female, DTE 19-inch rack mount kit for DXC-8R � Ethernet 10/100BaseT BASIC UNITS RM-DXC10A • Indicators DXC-30-3/?/*/~ 19-inch rack mount kit for DXC-10A Front panel: Includes 3U-high chassis with 15 I/O RM-DXC30 Major alarm, minor alarm, test, slots, one power supply, and one 19-inch rack mount kit for DXC-30 on-line (per power supply) common logic module RM-DXC30E on-line (per common logic) DXC-30E-3/?/*/~ 19-inch rack mount kit for DXC-30E Rear panel: module indicators (see Includes 6U-high chassis with 15 I/O separate data sheets) AC power cord (with AC power supply slots, one power supply, and one • Physical only) common logic module DXC-30E DC adapter plug (with DC power DXC-10A-3/?/~ Height: 26.6 cm / 10.5 in (6U) supply only) Includes 1U-high chassis with 5 I/O Width: 43.8 cm / 17 in slots, one power supply, and common OPTIONAL ACCESSORIES Depth: 25.4 cm / 10 in logic module Weight: Less than 16 kg / 35 lb CBL-DB9F-DB9M-STR DXC-8R-3/?/~ Control port cable DXC-30 Includes 1U-high chassis with 4 I/O Height: 13.2 cm / 5.25 in (3U) DXC-30M-FT/# slots, two power supplies, and two Width: 43.8 cm / 17 in Fan tray for DXC-30 common logic modules Depth: 25.4 cm / 10 in Weight: Less than 8 kg / 17 lb SYSTEM MODULES DXC-30ME-FT/# DXC-10A and DXC-8R DXC-30M-CL.3/? Fan tray for DXC-30E Height: 4.4 cm / 1.75 in (1U) Common Logic modules for DXC-8R, # Specify power supply for fan tray: Width: 44.0 cm / 17.3 in DXC-10A,DXC-30 or DXC-STM-1 AC for 100 to 240 VAC operation Depth: 25.4 cm / 10 in (3U high) 48 for –48 VDC operation Weight: Less than 2.5 kg / 5.5 lb DXC-30ME-CL.3/? Note: All weights are given for fully Common Logic modules for DXC-30E equipped hubs. (6U high) • Power Supply DXC-30M-PS/~ 100–240 VAC, 47 to 63 Hz Power supply module for DXC-30 –48 VDC nominal DXC-8RM-PS/48 • Power Consumption (max) DC power supply module for DXC-8R DXC-8R: 72W (DC), 60W (AC) DXC-30ME-PS/~ DXC-10A: 75W (DC), 60W (AC) Power supply module for DXC-30E DXC-30:120W (DC), 250W (DC), 120W (AC) ORDERING OPTIONS DXC-30E: 185W (DC), 188W (AC) www.rad.com ? Specify management port interface: • Temperature International Headquarters UTP for Ethernet 10/100BaseT 24 Raoul Wallenberg Street DXC-8R, 10A:0°–50°C/32°–122°F Tel Aviv 69719, Israel V24 for V.24/RS-232 dial port DXC-30, 30E:0°–45°C/32°–113°F Tel: (972) 3-6458181 * Specify R for power supply and Fax: (972) 3-6498250, 6474436 Note: For extended temperature ranges, Email: market@rad.com common logic redundancy contact your local RAD distributor. North America Headquarters ~ Specify power supply: • Humidity 900 Corporate Drive AC for 100 to 240 VAC operation Up to 90%, non-condensing Mahwah, NJ 07430 Tel: (201) 529-1100 48 for –48 VDC operation Toll free: 1-800-444-7234 48HP for DXC-30 high-power Fax: (201) 529-5777 chassis only (A fan tray must be Email: market@radusa.com used for this unit.) 772-100-05/06 © 1988–2006 RAD Data Communications Ltd. Specifications are subject to change without prior notice. All other trademarks are the property of their respective holders.