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Chapter 3
Installation
Communications
3.5 Communications
The ONS 15216 EDFA2 can communicate in the following ways:
•
Alarm Out relay contacts (RJ-45)
•
Alarm LEDs
•
Serial interface (EIA/TIA-232)
•
Serial interface connected to a modem
•
LAN interface (RJ-45)
3.5.1 Alarm Out Relay Interface (RJ-45)
The ONS 15216 EDFA2 Alarm Out (RJ-45) port reports alarm status for the following:
•
Loss or degradation of electrical power
•
Laser pump overheating or excessive pump current, output power, gain, and case temperature
•
Loss or degradation of optical network
These alarms can be connected to a network operations center (NOC) network management system
(NMS) using the following methods:
•
Cisco ONS 15454 miscellaneous discrete input
•
Central Office alarm panel/system
Table 3-2 provides the ONS 15216 EDFA2 RJ-45 alarm out pinout and alarm definitions.
Table 3-2
Alarm Pinout and Definitions (RJ-45)
Relay
Pinout
Description
0
1 (0+)
Loss of electrical power
2 (0–)
1
2
3 (1+)
4 (1–)
Laser pump temperature or bias is out of range; input power is out of
tolerance for gain settings (Major)
5 (2+)
Loss of optical input signal or input signal is below threshold (Minor)
6 (2–)
3
7 (3+)
8 (3–)
Loss of electrical power or out of range for Bus A or Bus B while in duplex
mode
3.5.1.1 Alarm Relay Connection Procedure
To set up alarm contacts, follow these steps:
Step 1
Connect the RJ-45 to the stub-end cable using a #22 AWG solid wire.
Note
Cable and connector are not provided.
Cisco ONS 15216 EDFA2 Operations Guide
78-16033-01
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