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Features, T1 digital transmission facilities, Advanced automatic protection switching – Verilink QPRI 2921 (880-503143-001) Product Manual User Manual

Page 12: Crosspoint switch, Drop, insert, and bypass mode, Alarm management, Features -2, Dial backup -2 alternate t1 backup -2

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QPRI 2921 Dual-Port ISDN Primary Rate Interface

1-2

Verilink QPRI 2921

Features

The QPRI 2921 system has the following features:

T1 Digital

Transmission

Facilities

The QPRI system carries data traffic onto a T1 transmission facility.
Each port provides T1 transport bandwidth of n

×

56 kbit/s or

n

×

64 kbit/s trunks.

Advanced

Automatic

Protection

Switching

The QPRI system provides Advanced Automatic Protection
Switching (AAPS) to alternate T1 lines using three hardware
options:

QPRI with CIM 2064 (P/N 311-101467-001); four net ports

QPRI with CIM 2068 (P/N 311-101500-001); four equipment
ports

QPRI with CIM 29003 (P/N 311-101501-001); two equipment
ports, two net ports

Dial Backup

The QPRI system provides an alternate ISDN route for digital data
traffic when the regular T1 line is unavailable.

Alternate T1

Backup

The QPRI system provides an alternate T1 route for digital data
traffic when the regular T1 line is unavailable.

Crosspoint

Switch

The QPRI system provides flexibility for designing data paths to
and from multiple AS2000 T1 modules across the backplane.
Incoming and outgoing channels can be set up to send data traffic.

Drop, Insert, and

Bypass Mode

The QPRI supports drop, insert, and bypass functionality via its
crosspoint switch. Further, the drop, insert, and bypass
configuration helps reduce the number of network (T1) links
among different sites.

Alarm

Management

QPRI alarms are reported to the NCM. These alarms are viewed
using the NCM Craft interface, Telnet, SNMP, or Node Manager.