275x Mainstreet D A TA TERMIN ATION UNITS ( VT C 28 98 ) Alcatel’s high performance 275x MainStreet Data Termination Units (DTUs) are used in many applications that require secure, highly reliable, low speed data such as automatic banking machines, lottery terminals, low speed router trafŢc and alarm monitoring applications (see Figure 1). The 275x MainStreet DTUs are excellent for extracting maximum performance from existing installed copper facilities. 275x MainStreet DTUs offer an attractive alternative for providing services of up to 128 kb/s to remote sites. They are ideal for providing services from a central site to remote locations over existing twisted pair copper lines. These products also provide secure, high reliability service over private or leased lines. Just like their predecessors, the 260x MainStreet DTUs and the 270x MainStreet DTUs, the 275x MainStreet DTUs are the choice of many carriers and enterprise customers worldwide. These products are fully network managed by the Alcatel 5620 Network Manager (NM) which allows for easy end-to-end path provisioning with only a couple of mouse clicks. High performance DTUs providing secure and highly reliable services 275x MAINSTREET | DTUs Three types of DTUs ConŢguration Three types of DTUs are available — the 2751, 2752 and The 275x MainStreet DTUs connect to the 3600 MainStreet and 2753 MainStreet DTUs with TIA/EIA-232(RS-232), X.21 and 3600+ MainStreet via the 27LC2 line card or 27LC3 line card, V.35 user ports, respectively. All three DTUs share a common 6- or 12-ports, respectively. The 275X MainStreet DTUs connect network port and can be mixed and matched on the same to the line card in any combination up to the line card port limits. 6- and 12-port line cards. Subrate (<64 kb/s) data is supported Modules are available that will also allow the 275x MainStreet and can be multiplexed onto the same DS0. This multiplexing DTU to be connected to the 3612 MainStreet Narrowband of data allows for efŢcient utilization of bandwidth and real Multiplexer (NBM), 3624 MainStreet Intelligent T1 Channel Bank cost savings. Both the 6- and 12-port line cards can be installed (ICB), 3630 MainStreet Primary Rate Multiplexer (PRM), and the in the 3600 MainStreet and 3600+ MainStreet Multiservice 2902 MainStreet Network Termination Unit (NTU). Bandwidth Managers. The 2751 MainStreet DTU has two TIA/EIA-232 user ports, while the 2752 MainStreet DTU has two X.21 user ports, and the 2753 MainStreet DTU has two V.35 user ports. The speeds and attributes of these ports are software conŢgurable either locally, via a craft interface, or remotely from the network operations center via the 5620 NM. The 275x MainStreet DTUs are fully software downloadable and programmable, making release upgrades and DTU attribute changes easy and inexpensive. Figure 1: MainStreet DTU applications 275x DTU Terminal SRM 275x DTU 2721 RTU Ethernet LAN Terminal 3600 3600 Multiservice Multiservice Bandwidth Bandwidth Manager Manager 275x DTU 2751 DTU Terminal 3600 Multishelf System 2752 DTU Automatic Teller Machine LAN 2720 ITU 3600 3600 Multiservice Multiservice 2753 DTU Router Bandwidth Bandwidth Manager Manager Server 2801 HDSL DTU Router 5620 NM 2 275x MAINSTREET | DTUs Diagnostic features Redundancy features The 275X MainStreet DTUs have many advanced diagnostic This family of DTUs supports full redundancy on the network features including line monitoring and power fail detection, interface, the line, and the DTU itself. These DTUs can be open and short detection. Automatic self-diagnostics, extensive connected to separate ports on the same line card, on different functional displays, automatic reconŢguration of replaced units, line cards in the same node, or in different nodes to give the performance statistics and many more features make the maximum redundancy service, as illustrated in Figure 2. In MainStreet DTUs the ideal choice for delivering data services redundant mode, when there are two DTUs at the customer to customers. premises, use of a ‘Y’ cable presents only a single interface to the CPE device (i.e., a terminal or a router), which affords additional cost savings. MainStreet Data Termination Units Feature Summary General 2801 2751 DTU 2752 DTU 2753 DTU 2720 ITU/ HDSL DTU 2721 RTU Maximum loop distance (26 AWG) 4 km/ 5.5 km/ 5.5 km/ 5.5 km/ 5.5 km/ 2.5 mi. 3.5 mi. 3.5 mi. 3.5 mi. 3.5 mi. Maximum speed 2048 kb/s 64 kb/s 128 kb/s 128 kb/s 128 kb/s Aggregate Interfaces V.24 — 2 ——— V.35 1 —— 2 — V.36 1 ———— X.21 1 — 2 —— TIA/EIA-449 1 ———— 10Base-T ———— 1 Figure 2: 275x MainStreet DTU redundant operation 275x DTU Automatic Teller Databank 5620 NM Machine 275x DTU 3600 MainStreet 2 Network 275x DTU 27LC2/3 Line Cards Automatic Teller Machine 275x DTU There are three different ways to achieve redundancy: 275x DTU 3 1 Same Node Same Card 3600 MainStreet Automatic Teller 2 Different Nodes Different Cards Machine 275x DTU 3 Same Node Different Cards 3 For more information: www.cid.alcatel.com Alcatel and the Alcatel logo are registered trademarks of Alcatel. All other trademarks are the property of their respective owners. Alcatel assumes no responsibility for the accuracy of the information presented, which is subject to change without notice. © 2001 Alcatel. All rights reserved. 10642 3CL 00469 0139 TQZCA Ed.01 FeaturesControl signals supported: Product Safety Technical RTS, CTS, ALB, RDL, DCD, CSA C22.2 No 950 Summary 2751 MainStreet DTU DSR, DTR, RI (Canada) Ports: dual V.24, TIA/EIA-232Variable character length: UL1950 (United States) General nine, 10 or 11 (start, data,Connectors: DB-25 TR-NWT-000063 Issue 5 parity, stop bits) Fully software conŢgurable Physical interface: (U.S. Bellcore) Rate adaptation: HCMSoftware downloadable TIA/EIA-232C, CCITT V.24/28 TR-NWT-001089 (U.S. Bellcore) Synchronous data rates: Local or remote managementMode of operation: DTE/DCE EN 60950 (Europe) 0.15 up to 128 kb/s End-to-end path managementControl signals supported: Asynchronous data rates: and conŢguration via the RTS, CTS, ALB, RDL, DCD, 0.15 up to 57.6 kb/s 5620 NM DSR, DTR, RI EMC Emission Full range of automatic and Variable character length: ICES-003 (Class A) (Canada) user directed diagnostics nine, 10 or 11 (start, data, Line Connection FCC Part 15 (Class A) parity, stop bits) Integral BERT (United States)Single twisted pair Rate adaptation: HCM Line, port and DTU redundancyTR-NWT-000063 Issue 5 RJ-45 connector Synchronous data rates: (U.S. Bellcore)Advanced line monitoring Transmission using adaptive 0.15 up to 64 kb/s for line qualityTR-NWT-001089 (U.S. Bellcore) echo cancellation techniques Asynchronous data rates: Open and short detectionEN 55022 (Class B) (Europe) D channel used for control 0.15 up to 38.4 kb/s Power failure detection and management of the DTUEN 60555 (Europe) 2752 MainStreet DTU Ports: dual X.21, TIA/EIA-449 Network and Physical Description EMC Immunity Connectors: DB-15 Service Management Height: 3.7 cm (1.5 in.)ANSI C62.41 (AC power surge) Physical interface: Full end-to-end path management (United States)Width: 19.4 cm (7.6 in.) TIA/EIA-449/442, and provisioning TR-NWT-000063 Issue 5 CCITT X.21, ISO 4903Depth: 27.0 cm (10.6 in.) Local or remote management (U.S. Bellcore) Mode of operation: DTE/DCE Weight: approximately interface through NMTI, Craft TR-NWT-001089 (U.S. Bellcore) 0.85 kg (1.8 lbs.) Interface or the Alcatel 5620 NMControl signals supported: C, I EN 50082-1 (Europe) Centralized alarm managementVariable character length: with audible and visual alarm 9, 10 or 11 (start, data, Shipping and Storage notiŢcation parity, stop bits) Network Attachment -40° C to 66° C Centralized softwareRate adaptation: HCM (-40° F to 150° F)DOC CS-03 (Canada) administration Synchronous data rates: FCC Part 68 (United States) Automatic discovery of 0.15 up to 128 kb/s Operating Environment OTR001 (United Kingdom) equipment additions, deletions Asynchronous data rates: CTR14 (ONP leased lines and changes 0° C to 40° C (32° F to 104° F) 0.15 up to 57.6 kb/s 64 kb/s) (Europe) Extensive performance data 5% to 95% relative humidity, 2753 MainStreet DTU for SLAs and billing noncondensing Ports: dual V.35 PowerMultiple graphical displays 60 m (197 ft.) below sea level Connectors: DB-25 of performance data to 1,800 m (5,905 ft.) above Maximum 5.0 W sea levelPhysical interface: 110 V 60Hz, 230 V 50 Hz CCITT V.35, ISO 2593 AC powering Mode of operation: DTE/DCE Contact Alcatel for information on upcoming feature enhancements.