Alcatel's 2902 MainStreet Network Termination Unit (NTU) delivers mana
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2902
Alcatel's 2902 MainStreet Network Termination Unit (NTU) delivers managed bandwidth access Mb/s over existing copper pairs (HDSL) facilities. Network operators deploy same platform throughout entire network customized interfaces deliver data voice services required their customers. Within single unit, service providers deliver integrated data digital voice access with high degree flexibility reliability while making existing network infrastructure. integrating HDSL technology, 2902 MainStreet offers greater equipment flexibility service providers private network operators alike, potential substantial savings without associated costs replacing existing copper facilities. 2902 configured deliver n*64 kb/s Mb/s voice data services over regular twisted copper pairs kilometers (3.1 miles), without requiring repeaters.
Integrated data digital voice access through existing network infrastructure
2902 MAINSTREET
2902 enables efficient remote management access circuits that have traditionally been costly public network operators. Once installed, 2902 monitored reconfigured from centralized location.
Flexible interfaces
2902 MainStreet supports HDSL, fiber optic G.703 connections. 2902 provides interfaces that configured either HDB3 HDSL through plug-in link interface modules (LIMs). example, 2902 connected with 2902 acting dropand-insert multiplexer merging data traffic onto single stream. plug-in X.21 V.35 data interfaces accommodated. 2902 connected Alcatel's 275x MainStreet Data Termination Units (DTUs). family products allows remote connection kilometers (3.4 miles) over unconditioned copper TIA/EIA-232, X.21 V.35 devices.
Integrated solution
2902 MainStreet allows service providers multiplex data, router traffic into single, versatile gateway. provides flexible, cost-effective integrate digital voice data traffic from business site onto high speed digital link customer access public private networks, point-to-point operation. 2902 integrates HDSL without standalone equipment. entire network, including HDSL/E1 transmission facility, managed common network management system. additional rack space management terminals required 2902 3600 MainStreet Multiservice Bandwidth Manager family products.
Node network management
common with other Alcatel products, 2902 MainStreet configured using network management executive applications provide time scheduling typical services, such video conference booking. operating parameters software configurable direct connection 2902 made either maintenance ports. Alcatel network manager provides full controlled network management 2902 over Alcatel packet-based control packet switching system (CPSS). Performance statistics collected allow detailed evaluation system status time.
HDSL technology
HDSL becoming increasingly popular component access networks today. become method choice delivering data rates over unconditioned copper wires. HDSL eliminates need mid-span repeaters cable pair separation transmission access lines. will also compensate individual non-ideal characteristics copper loop.
2902 aggregate data traffic over copper pairs.
Office
Central Office
2B1Q 2721 E1/HDSL E1/HDB3 2902 3600 Multiservice Bandwidth Manager 5620
V.35/X.21 Video Teleconferencing
Alcatel 5620 Network Manager (NM), formerly 46020 Network Manager. This product belonged Newbridge family. Newbridge acquired Alcatel 2000.
2902 MAINSTREET
Feature Summary
Voice Interfaces 2902 3612 3624 3630
LS/GS Subscriber (LGS) LS/GS Exchange (LGE) MRD/GEN-GEN
Data Interfaces
V.24, V.28, T1A/E1A-232-C 2WTO 4WTO V.35 X.21/V.11 OCU-DP 2B1Q (interfaced with 275x DTUs)
Aggregate Interfaces
1.544 Mb/s (D4, ESF, kb/s chan.) 2.048 Mb/s (CAS, CCS, kb/s chan.) HDSL Fractional X.21 V.35 ISDN Optical Extension
Applications
Voice compression
kb/s compression kb/s A-CELP (ITU-T Rec. G.729) kb/s LD-CELP (ITU-T Rec. G.728) ADPCM (ITU-T Rec. G.721) kb/s
support (V.17) over compressed voice (14.4 kb/s max.) Modem (V.32bis) tones support over compressed (CELP) voice (14.4 kb/s) Subrate multiplexing Echo cancellation Voice conference bridging Multidrop data bridging High capacity multiplexing (HCM) rate adaptation
Packet Services
Frame relay switching Transport HDLC encapulation Voice over frame relay DLCI multiplexing
General (maximum)
ports fractional ports ports circuits
more information www.cid.alcatel.com
Alcatel, Alcatel logo, MainStreet Newbridge registered trademarks Alcatel. other trademarks property their respective owners. Alcatel assumes responsibility accuracy information presented, which subject change without notice. 2001 Alcatel. rights reserved. 10604 00469 0066 TQZZA Ed.02
Technical Summary
Interfaces
Data Termination Units
With 2B1Q installed:
Maintenance
Physical Description
275x DTUs Synchronous data rates kb/s Asynchronous data rates 38.4 kb/s (including 14.4 kb/s)
parameters software configurable maintenance ports Multilevel password protection Automatic self-diagnostics directed diagnostics with statistics Alarm storage buffer Remote alarm signaling Local remote loop backs Alarm contacts sensors Compatible with G.821 CRC4 statistics over
standard case desktop design with brackets available rackmount installation Height: (3.66 in.), Width: 43.2 in.) without rack-mounting ears; 48.2 in.) with rack-mounting ears Depth: 28.14 (11.08 in.) 48.26 in.) 58.42 in.) sliding drawer mountings available options
Compatible with applicable sections ITU-T G.703, G.704 HDSL 2B1Q HDB3 75/120 line impedance BNC/RJ-45 connectors Single mode optical fiber FC/PC connector Typical range (11.16 mi.)
Data Connectors/ Interface Adapters
X.21: single D-type female V.35: single D-type female TIA/EIA-232: dual RJ-45 socket Codirectional: dual RJ-45 socket 2B1Q: RJ-45 socket
Operating Environment
Termination Interfaces
DCMs:
Temperature:
X.21 1.92 Mb/s) V.35 1.92 Mb/s) Dual port V.24, TIA/EIA-232 kb/s) 2B1Q kb/s) Co-directional (fixed kb/s)
Power
Universal power supply
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