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Carrier Access Wide Bank 28 / DS3
Carrier-class M13 Multiplexer
 

 

The most robust M1-3 multiplexer in the industry, the Wide Bankฎ 28 / DS3 aggregates up to 28 T1 or 21 E1 circuits into a single channelized DS3.  It features 1:7 T1/E1 protection and 1+1 DS3 redundancy and circuit protection.
Best-in-breed intelligence. Unparalleled density.

Call us for Pre-sales and discount pricing on  Carrier Access Access Bank II
301-924-7400 Support

Wide Bank 28 / DS3

 

Space-efficient, cost-effective digital service connection for a variety of platforms and applications

With the Wide Bankฎ 28 family of products, standards-based M1-3 multiplexing takes a giant step for-ward. The Wide Bank 28 is a family of carrier-class solutions that significantly increases the number of DS1/E1 service delivery ports that can be deployed at the same time that it dramatically lowers DS1/E1 port deployment costs.

Wide Bank 28 solutions can be deployed in conjunction with DCS, SONET ADM, LDS, Frame Relay and ATM platforms. The Wide Bank 28’s small footprint solves the space problem that often limits how many DS1 or E1 connections can be supported per rack. By using DS3 or STS-1 service modules to support the equivalent of 28 DS1 or 21 E1 ports in a single rack unit space, Wide Bank 28 solutions can support up to 672 T1 or 504 E1 connections in one 23-inch rack. For high-density applications, the Fan Faceplate Option for the Wide Bank 28 makes it possible to configure up to 40 Wide Bank systems operating in a single equipment rack, providing support for up to 1,120 DS1 or 840 E1 ports.

Upstream management capabilities, high rack density, and low T1/E1 costs, all standard features of the Wide Bank 28 solution, combine to provide a solution that delivers more control and capacity in less space than competitive offerings — at a much lower cost.

Reduced space requirements
The Wide Bank 28 dramatically reduces the amount of space required to deploy T1/E1 by supporting up to 28 DS1or 21 E1 service connections in only a single rack unit of space. Older generation equipment requires an entire rack full of equipment to provide as much capacity. The Wide Bank 28’s reduced space requirements make it cost effective to deploy DS1/E1 ports to support growing requirements in a variety of environments. While saving space is an important consideration for most deployments, Wide Bank 28’s small footprint is particularly beneficial for sites such as POPs, collocations, central offices, and digital loop carrier cabinets, where space is at a premium and the size of previously available equipment makes expansion impractical or prohibitively expensive.

Lower-cost for deploying and delivering services
Wide Bank 28 solutions make it possible to provision more T1/E1 ports in virtually any platform, greatly increasing the maximum number of ports that can be deployed and services that can be delivered to customers. Adding the Wide Bank 28 to a platform results in a significant reduction in cost per DS1/E1. The bottom line? More revenue generating opportunity at a lower cost than with competitive solutions — and in much less space.

Robust remote management facilities
The Wide Bank 28 solution offers unsurpassed remote management facilities that eliminate the need to physically replace cards or set switches to isolate and differentiate among equipment, line, electronic, and network errors. Support of Simple Network Management Protocol (SNMP) enables integration of control of the unit with popular SNMP management systems through a direct Ethernet connection. A Command Line Interface (CLI) provides remote management via an RS-232 Telnet or local management connection. Bit Error Rate Testing (BERT) capabilities automatically test internal data paths. Remote terminal management allows electronic protection switching of individual interfaces, eliminating costly truck rolls and service interruptions.

Modular design to accommodate evolving needs
Demand for services is growing rapidly, making scalability a must for cost-effective, fast, and efficient network expansion. Wide Bank 28 solutions accommodate changing needs with a modular design that allows deployment of from 4 to 28 DS1 ports in 4-port increments, or 3 to 21 E1 ports in 3-port increments to accommodate demand for more capacity as it occurs. When additional ports are needed, capacity can be increased quickly and easily simply by adding one or more DS1 or E1 interface cards (to a maximum of seven cards per Wide Bank 28).

Unique sparing and redundancy implementation for high reliability
The Wide Bank 28 system’s modular approach to sparing and redundancy reduces downtime and helps ensure that the system remains available. The typical approach to low-speed (DS1 or E1) hardware redundancy is to use an entire spare low-speed card to replace a single channel that fails, leaving the remaining channels unprotected in the event of another failure. With Wide Bank 28, if a single channel fails, only a single channel on the spare low-speed card is used, ensuring that there will be a spare available to provide backup if another low-speed channel should fail. Additional features such as hitless electronic and circuit protection, dual controllers, dual power supplies with dual power inputs, and fuseless high-voltage line protection all contribute to very low downtime and very high system reliability.

System Architecture:

• 1+1 or 1:1 protected DS3 controller cards

• 1:7 protected Quad DS1 service cards (or 1:7 protected 3-port E1 service cards)

- Maintenance Service Option (MSO) for hitless service protection

• Fan Faceplate Option (FFO) forced air cooling

• Dual -48VDC power inputs

High-Speed Interface:

• DS3:

- Line rate: 44.736 Mbps

- Line code: B3ZS

- Framing format: M23 and C Bit parity

- 2 BNC coaxial connectors (4 for 1+1 redundant system)

- Impedance: 75 . ฑ5%, unbalanced

- Line build out: 0 to 450 ft (0 to 137.2 m)

- Transmit jitter: Meets ANSI T1.102 requirements

- Transmit amplitude: 0.36 to 0.85 Vp as per ANSI T1.102 pulse mask requirements for all line build outs (LBOs) up to

450 ft (137.2m)

- Receive sensitivity: 0.24 Vp to 0.95 Vp input

Low-Speed Interface:

• DS1

- Line rate: 1.544 Mbps ฑ32 ppm

- Line code: AMI or B8ZS selectable

- Line framing: transparent to DS1 framing or lack of framing

- Two 64-pin female Champ connectors

- Impedance: 100 . ฑ5%, balanced

- Line build out: 0 to 655 ft (0 to 199.6 m)

- Transmit jitter: as per ANSI T1.403, T1.102 and AT&T 62411 requirements

- Transmit amplitude: pulse curve amplitude, 2.7 to 3.3 Vp per ANSI (T1.102 and T1.403)

- Receive sensitivity: 0.6 Vp to 3.6 Vp input (–13 dBdsx to +3.3 dBdsx)

• E1

- Line rate: 2.048 Mbps. ฑ50bps (32 ppm)

- Line code: HDB3

- Line framing: transparent to E1 framing or lack of framing

- Two 64-pin female Champ connectors

- Impedance: 120 ., balanced, as per ITU-T/G.703

- Line build out: 0 to 655 ft (0 to 199.6 m)

- Transmit jitter: as per ITU-T/G.823 recommendations

- Transmit amplitude: 3.0 V (nominal), pulse shape as per ITU-T/G.703

- Receive sensitivity: 0.6 Vp to 3.3 Vp input (–13 dB to 2.7 dB with respect to 3 Vp)

- Meets lightning surge protection and power induction protection in accordance with FCC part 68 and GR-1089-CORE

Clocking:

• Network: recovered from DS3 network receive signal

• Local: on-board Stratum 4E (20 ppm) clock source

• External: 44.736 MHz (DS3) BNC clock input

Network Standards:

• ANSI

- T1.102-1993; T1.107-1995

- T1.403-1996; 404a-1994

- T1.404a-1996; T1.105

• CCITT Recommendation V.11

• TelcordiaTM GR-499-CORE

• AT&T 62411 (Stratum 4 enhanced T1 CPE)

Management:

• RS-232/V.24 async craft port for Command Line Interface

• 10Base-T Ethernet port for SNMP and Telnet sessions

• TL1 alarming and provisioning

• Support through Carrier Access' NetworkValet, a separate, fullfeatured Enhanced Management System product including

software upgrade and configuration backup/restore capability

Performance Monitoring and Alarms:

• Telcordia GR-474-CORE, GR-820-CORE

Alarms:

• 4-pin major/minor alarm connector

• External alarm relay contacts for critical and non-critical alarms

• Front panel alarm cutoff switch (ACO)

Testing & Diagnostics:

• CSU Loopback/Loop-up

• C Bit Loopback/Loop-up

• Network Interface Unit (NIU) Loopback/Loop-up

• Internal BERT

• Integrated NIU

• Startup and self-test

Power:

• Dual -48 VDC inputs (-42 to -60 VDC)

• Optional battery unit and power converter/battery charger

• Internal fuseless overvoltage and overcurrent protection

• Power consumption: 32 W for fully redundant system; 36 W w/FFO

Regulatory and certifications:

• NEBS Level-3 certified – type 2 and 4 (earthquake zone 4) CSA

- Telcordia GR-63-CORE, GR-1089-CORE

• FCC Part 15 Class A, Part 68

• NRTL safety listed: UL 1950

• National Electrical Code 1996 safety requirements

• Canadian Safety Association (CSA) Compliant

- Industry Canada CS-03

• Japanese Approvals Institute for Telecommunications Equipment (JATE)

Physical:

• Dimensions:

- 1.75 in (H) x 17 in (W) x 10 in (D)

- 4.45 cm (H) x 43.2 cm (W) x 25.4 cm (D)

• Weight: 10 lb (4.5 kg) fully loaded

• Rackmount: 19 in (48.26 cm) or 23 in (58.42 cm)

Environment:

• Operating temperature: 23 ฐF to 131 ฐF (-5 ฐC to 55 ฐC)

• Relative humidity (non-condensing) range: 0% to 98%

• Maximum operating altitude: 15,000 ft (4,572 m)

 

Wide Bank 28 Configuration & Ordering

Carrier Access Products

     

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