Cisco ASR-920-24TZ-M Installation Guide

1-6
Cisco ASR-920-24SZ-IM, ASR-920-24SZ-M, ASR-920-24TZ-M Aggregation Services Router Hardware Installation Guide
Chapter 1 Overview
Cisco ASR 920 Series Routers Features
• For more information about installing a 8 Port T1/E1 interface module, see the “Installing the
Interface Module” section on page 3-19.
• To determine interfaces available on the 8 Port T1/E1 interface module, see the “Interface
Availability on Interface Modules” section on page 1-6.
• For LED indicator information on the 8 Port T1/E1 interface module, see the “8 T1/E1 Interface
Module LEDs” section on page 1-15.
• For RJ45C pinout information on the 8 Port T1/E1 interface module, see the “RJ45C Port Pinouts”
section on page 5-5.
Interface Availability on Interface Modules
Note Cisco ASR-920-24SZ-IM Router does not support over-subscription mode. You must disable the ports
as appropriate to restrict the system usage to 64 Gbps. Enabling all the interfaces in over-subscription
mode can result in an unpredictable system performance.
The following table provides a snapshot of the interfaces available on supported interface modules:
Table 1-2 Interface Availability on Supported Interface Modules
Interface Module Quantity Interfaces in Resulting System
System
Oversubscribed
Front Panel
Ports Disabled
Cu SFP 10GE T1/E1 OC3/
OC12
DS3
/E3
None 0 0 24 4 0 0 0
A900-IMA8T 1 8 16 4 0 0 0 No 16 to 23
A900-IMA2Z 1 0 24 6 0 0 0 Yes
A900-IMA1X 1 0 24 5 0 0 0 Yes
A900-IMA8D 1 0 20 4 8 0 0 No 20 to 23

Cisco ASR-920-24TZ-M Specifications

General

Brand	Cisco
Model	ASR-920-24TZ-M
Category	Network Router
Language	English