Optical Fiber Specifications; Alarm Conditions - Cisco ASR-920-24SZ-IM Hardware Installation Manual

Optical Fiber Specifications

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 Type
Critical
Major
Info
Cisco ASR-920-24SZ-IM, ASR-920-24SZ-M, ASR-920-24TZ-M Aggregation Services Router Hardware Installation
Guide
132
Alarm Meaning
Port in down state.
Environmental sensor threshold exceeded critical
level (voltage, temperature)
Environmental sensor threshold exceeded major level
(voltage, temperature)
Port administratively shut down.
Troubleshooting
.