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The Access Company

Gmux-2000 Accessory

NPS-1011:N Protection Switching Devicepr

eliminary

Data Sheet

1:N protection switching for Gmux-2000 TDM pseudowire and voicecompression modules

Traffic protection capacity of up to 224 TDM streams (16 or 8 protectedmodules)

Transparent hardware-only switching Control and monitoring via Gmux-2000

Automatic protection

switching for E1/T1

and T3 streams

NPS-101 is a compact, high-density

carrier-class 1:N protection switching

device. It protects the traffic carried by a

group of N modules installed in

Gmux-2000 by automatically switching

traffic from a failed to a backup module in

the chassis.

The unit has a capacity of 16 protection

switching modules and 2 backup modules,

each capable of handling 14 E1/T1 or

1 T3 streams, resulting in a maximum

traffic protection capacity of 224 streams.

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NPS-101

1:N Protection Switchin Device

The following Gmux-2000 modules can be

protected:

Voice compression modules with E1 orT1 ports, VCA-E1/12, VCA-E1/16 andVCA-T1/12, VCA-T1/16

Pseudowire emulation modules withexternal E1 or T1 ports, E1-PW/28/BAL,

E1-PW/28/UNBAL and T1-PW/28

Pseudowire channelized T3 module,CT3-PW/1.

When operating opposite voice

compression modules, NPS-101 protects

either 12/16 external or two main E1/T1

links.

As a purely hardware switching device,

NPS-101 does not detect or evaluate any

criteria for protection switching.

Gmux-2000 determines when switching isrequired, and sends appropriate control

signals to NPS-101.

MANAGEMENT

Gmux-2000 communicates with a

supervision terminal via double RS-232

port on NPS-101 (DCE and DTE). This

allows controlling and monitoring the unit

even when Gmux-2000 is managed by one

of the other supported management

alternatives (Telnet/SSH, SNMP).

WIDE RANGE POWER SUPPLIES

NPS-101 uses a wide range power supply,

which operates on both AC and DC. The

power supply is located together with theNPS-101 common logic functions in a

single module. Although a single

control/PS module is required, two

modules can be installed in the device for

redundancy.

Figure 1. Protecting E1/T1 Traffic

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Data Sheet

Specifications

CHASSIS

Number of Slots

20:

2 for power supply and common logic

modules, PSCL

16 for protection switching modules,

NPS-62

2 for backup modules, BU-62

Number of Protection Buses

2, 14 E1/T1, 1 T3 streams capacity

each

PROTECTION SWITCHING MODULE

Capacity

14 E1/T1, 1 T3

Connectors

2 62-pin, D-type, female for incoming

and outgoing traffic

BACKUP MODULE

Capacity

14 E1/T1, 1 T3

Connectors

62-pin, D-type, female for outgoing traffic

GENERAL

Management Interface

1 RS-232 DCE 9-pin female, 115.2 kbps

1 RS-232 DTE 9-pin male, 115.5 kbps

Indicators

Chassis:

POWER A, B Chassis power status

ALARM System alarm status

PCSL module:

PWR Module power status

ALM Module alarm status

NPS-62, BU-62 module:

Bus A, Bus B Corresponding bus use

Power

AC/DC: 100240 VAC, 50/60 Hz or

48/60VDC nominal (40 to 72 VDC)

Power Consumption

15W max

Physical

Height: 178 mm (7.0 in)

Width: 482 mm (19.0 in)

Depth: 327 mm (12.8 in)

Weight: 7.5 kg (16.5 lb)

EnvironmentTemperature: 0 to 45C (32 to 113F)

Humidity: Up to 90%, non-condensing

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NPS-101

1:N Protection Switching Device

Data Shee

International Headquarters

24 Raoul Wallenberg Street

Tel Aviv 69719, Israel

Tel. 972-3-6458181

Fax 972-3-6498250, 6474436

E-mail market@rad.com

North America Headquarters

900 Corporate Drive

Mahwah, NJ 07430, USA

Tel. 201-5291100

Toll free 1-800-4447234

Fax 201-5295777

E-mail market@rad.com

www.rad.com Order this publication by Catalog No. 803862 The Access Company

Ordering

NPS-101/?/*Chassis, module and cable assembly

Legend

? Protected module:CT3 CT3-PW/1PW E1-PW-28 or T1-PW-28VC12 VCA-E1/12 or VCA-T1/12

(12 E1/T1)

VC16 VCA-E1/16 or VCA-T1/16(16 E1/T1)

VC2 VCA-E1/12, VCA-T1/12,VCA-E1/16 or VCA-T1/16

(2 E1/T1)

* Protection scheme:1 1:12 1:23 1:34 1:45 1:56 1:6

OPTIONAL ACCESSORIES

NPS-101-M/?Spare common logic, protection and

backup modules

Legend

? Spare module:PCSL Power supply and common

logic module

NPS-62Protection switching moduleBU-62 Backup module

CBL-TERMINAL-Y-CABLEY-cable for terminal connection

CBL-TERMINAL-X-CABLEX-cable for terminal connection

CBL-GMUX-VC12/NPS Adapter cable for connecting VCA-E1/12 or

VCA-T1/12 module to BU-62 and NPS-62

modules

CBL-GMUX-VC16/NPS Adapter cable for connecting VCA-E1/16 or

VCA-T1/16 module to BU-62 and NPS-62

modules

CBL-NPS/14Adapter cable for connecting user

equipment to external ports of VCA-E1/12

or VCA-T1/12 modules (via NPS-101)

CBL-NPS/18Adapter cable for connecting user

equipment to external ports of VCA-E1/16

or VCA-T1/16 modules (via NPS-101)

GMUX-PPANEL-28-PW/#Patch panel and cable assembly,

28 connectors

Legend

# Interface:BAL Balanced interface, RJ-45UNBAL Unbalanced interface, BNC

CBL-G703-14-PATCHCable for connecting the NPS-62 moduleto a patch panel