Specifications

3-3
Cisco ONS 15216 EDFA2 Operations Guide
78-13908-02
Chapter 3 Installation
Communications
Alarm Relay Contacts (RJ-45)
The ONS 15216 EDFA2 RJ-45 port reports alarm status for the following:
• Loss or degradation of electrical power
• Pump laser overheating or excessive pump current, output power, gain, and case temperature
• Loss or degradation optical network
These alarms can be connected to a network operations center (NOC) network management system
(NMS) using the following methods:
• ONS 15454 miscellaneous discrete input
• Office alarm panel/system
Table 3-1 provides the RJ-45 alarm pinout. Table 3-2 defines the ONS 15216 EDFA2 alarms.
Alarm Connection Procedure
To set up alarm contacts, follow these steps:
Step 1 Connect the RJ-45 to the stub-end cable using an #22 AWG solid wire.
Table 3-1 RJ-45 Pinout (ALARM OUT)
Pinout Alarm Relay Out
1 Alarm relay 0+ (Power)
2 Alarm relay 0–
3 Alarm relay 1+ (Major)
4 Alarm relay 1–
5 Alarm relay 2+ (Minor)
6 Alarm relay 2–
7 Alarm relay 3+ in simplex or duplex bus mode, 1 bus power failed or
out of range
8 Alarm relay 3–
Table 3-2 Alarm Definitions
Relay Description
0 Loss of electrical power
1 Pump laser temperature or bias is out of range; input power is out of
tolerance for gain settings
2 Loss of optical input signal or input signal is below threshold
3 Loss of electrical power or out of range for Bus A or Bus B while in
duplex mode
Default state Contacts are open
Alarm state Contacts are closed