Cisco ASR-920-24SZ-IM Installation Guide

5-5
Cisco ASR-920-24SZ-IM, ASR-920-24SZ-M, ASR-920-24TZ-M Aggregation Services Router Hardware Installation Guide
Chapter 5 Troubleshooting
Pinouts
Note The USB flash or MEM port +5VDC is output. Cisco ASR 920-24SZ-IM, ASR-920-24SZ-M,
ASR-920-24TZ-M Router provides power for USB flash or MEM port. This port operates as a
USB host device.
RJ45C Port Pinouts
Table 5-6 summarizes the RJ45C port pinouts on the 8 Port T1/E1 Interface Module.
Optical Fiber Specifications
The specification for optical fiber transmission defines two types of fiber: single mode and multimode.
Within the single-mode category, three transmission types are defined: short reach, intermediate reach,
and long reach. Within the multimode category, only short reach is available. For information about
optical SFP modules, see the documentation for the SFP module at:
http://www.cisco.com/en/US/partner/products/hw/modules/ps5455/prod_installation_guides_list.html.
Alarm Conditions
Table 5-9 summarizes the meaning of the alarm conditions on the Cisco ASR 920-24SZ-IM,
ASR-920-24SZ-M, ASR-920-24TZ-M Router.
Table 5-8 RJ45C Port Pinouts
Pin Signal Name
1RX_TIP
2RX_RING
4TX_TIP
5TX_RING
3, 6, 7, 8 Not Connected
Table 5-9 Alarm Condition Summary
Alarm Type Alarm Meaning
Critical Port in down state.
Environmental sensor threshold exceeded critical level (voltage,
temperature)
Major Environmental sensor threshold exceeded major level (voltage,
temperature)
Info Port administratively shut down.

Cisco ASR-920-24SZ-IM Specifications

General

Brand	Cisco
Model	ASR-920-24SZ-IM
Category	Network Router
Language	English