Product
Overview
The Wide Bank 28 DS3 Access Multiplexer from Carrier Access
brings standards-based M1-3 multiplexing up to date. The Wide Bank 28
replaces a rack full of bulky, old generation equipment in a one rack
unit space. Software-based, hitless DS3 network protection, T1/E1
Network Interface Units (NIUs), and Bit Error Rate Testing (BERT) are
built in. In fact, the Wide Bank 28 can isolate and test 28 individual
T1 circuits or 21 individual E1 circuits, DS3 connections, and
internal electronics quickly and dependably, and monitor them through
SNMP TL1 or Telnet management.
Advanced Remote Management
The Wide Bank 28 is the first M1-3 multiplexer to offer Simple Network
Management Protocol (SNMP). The standards-based embedded SNMP agent
enables users to integrate control of the unit with popular SNMP
management systems, using a direct Ethernet (10BT) connection. A
Command Line Interface (CLI) provides remote management via Telnet or
local management using RS-232. In addition to that, an Enterprise SNMP
MIB is provided that can be browsed using HP Open View Browser.
The Wide Bank 28's integrated Bit Error Rate Testing (BERT)
capabilities automatically self-test internal data paths. Loopback and
BERT functions provide DS3, DSX-1 and E1 line testing. DS3, DSX-1 and
E1 statistics monitor network and drop connections. Individual
DSX-1/E1 interfaces may be electronically replaced through remote
terminal management. Built-in tests differentiate electronic vs.
network errors. The need to physically replace cards or set switches
in order to isolate equipment versus line problems is a thing of the
past.
Modular Design Matches Growing Access Requirements
The Wide Bank 28 accommodates up to seven Quad Digital Signal Cross
Connect Level 1 (DSX-1) interface cards, for a maximum of 28 T1
connections or up to 7 three port Digital Signal Level 1E (DSX-1E).
Cards can be quickly added to meet bandwidth requirements. An
identical spare Quad DSX-1/DSX-1E card provides software-controlled
electronic redundancy.
NEBS-Level 3 Certified
The Wide Bank 28 is certified for Network Equipment Building Standards
(NEBS) level 3 criteria, which qualifies it for installation in the
central office, co-locations and installations requiring NEBS-approved
equipment according to:
- Bellcore® GR-63, NEBS Requirements: Physical Protection
- Level 3 (earthquake for Zone 4)
- Bellcore® GR-1089, Electromagnetic Compatibility and
Electric Safety-Generic Criteria for Network Telecommunications
Equipment - Equipment Type 2 or 4
Wide Bank 28 Features and Advantages:
| Modular design |
Maximum of 8 quad
DSX-1/DSX-1E cards supporting from 4 to 28 DSX-1 connections
or 3 to 21 E1 and 3 spare E1 interfaces and 4 spare DSX-1
interfaces |
| DS3 path protection
option |
Electronics and DS3
path protection, or electronic protection only |
| DSX-1 electronic
redundancy |
Protects DSX-1
channels and allows individual T1 circuit fault isolation |
| DSX-1E electronic
redundancy |
Protects DSX-1E
channels and allows individual T1 circuit fault isolation |
| Advanced diagnostics |
Built-in automatic
self-tests for internal circuitry |
| Built-in BERT &
Loopbacks |
Line versus equipment
fault isolation reduces the need for external test equipment |
| T1/E1 NIU
functionality |
Eliminates additional
equipment costs and installation labor |
Wide
Bank™ 28 DS3 Access Multiplexer
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