Optical Fiber Specifications; Alarm Conditions - Cisco ASR-920-8S4Z-PD Hardware Installation Manual

Troubleshooting
Pin
A3
A4
Note
USB TYPE-A receptacle is used.
Note The USB MEM port +5VDC is output. Cisco ASR 920 Series Aggregation Services Router provides power
for USB MEM port. This port operates as a USB host device.

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 below summarizes the meaning of the alarm conditions on the Cisco ASR 920 Series Router.
Table 15: Alarm Condition Summary
Alarm Type
Critical
Major
Info
Cisco ASR 920-10SZ-PD and Cisco ASR-920-8S4Z-PD Aggregation Services Router Hardware Installation Guide
Signal Name Description
D+ Data +
Gnd Ground
Alarm Meaning
Port in down state or only single power supply operational
Environmental sensor threshold exceeded critical level (voltage, temperature)
Environmental sensor threshold exceeded major level (voltage, temperature)
Port administratively shut down.
Optical Fiber Specifications
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