Cisco ASR-920-24TZ-M User Manual

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
The table below summarizes the meaning of the alarm conditions on the Cisco ASR 920-24SZ-IM,
ASR-920-24SZ-M, ASR-920-24TZ-M Router.
Table 25: Alarm Condition Summary
Alarm MeaningAlarm Type
Port in down state.
Environmental sensor threshold exceeded critical
level (voltage, temperature)
Critical
Environmental sensor threshold exceeded major level
(voltage, temperature)
Major
Port administratively shut down.Info
Cisco ASR-920-24SZ-IM, ASR-920-24SZ-M, ASR-920-24TZ-M Aggregation Services Router Hardware Installation
Guide
132
Troubleshooting
Optical Fiber Specifications

Cisco ASR-920-24TZ-M Specifications

General

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