Local User Loopback; Alarm Field - Zhone IMA CS-200 System Reference Manual

Choose the net (network) setting to loop the incoming data from the network back toward the
far end. This loopback is shown in Figure 10-5. It tests some of the local OHSU port circuitry,
the local system common ports, the WAN link port, the far-end OHSU port and CPE device,
and the WAN link between the two sites.
Alarm
The alarm field is an indication field that shows the optical link status.
Field
Norm
Yellow
Red
OHSU Ports
Figure 10-4.Local User Loopback
Figure 10-5.Local Network Loopback
Table 10-3. Alarm Field
The optical link is operating properly.
The TPE is reporting a reception fault.
The OHSU port is reporting a reception fault.
Optical Link Status
10-5