Mounting the IDU-C
Chapter 3
FA4800 User Manual
Release 1.9.30
3-12
¾
To mount an IDU-C:
1. Attach the rack mounting brackets (K) to the IDU.
2. Bolt the IDU into an empty slot in the rack, ensuring that it sits securely.
3. Ground the IDU to the rack using grounding lug I. The IDU should be left
permanently grounded.
AIR I/F
Green
Orange
Red
Wireless link is synchronized
During installation mode; also signals software mismatch on some identical ODUs
Wireless link lost synchronization
SVC
Green
Orange
Blinking Orange
Red
Off
E1 or T1 line is synchronized
Alarm detected at the opposite site interface; Normal or LOSS
Local or remote loopback
Alarm detected at this site interface
Ethernet only IDU or E1/T1 not configured
HSS
See supplementary
Table 3-3
following.
STBY
Hot Standby Mode
Link State
Green
Blinking Green
Red
Orange
Off
Primary
Secondary
Primary
Secondary
Off
Active
Not active
Not active
Active
HSM not activated
Table 3-3: IDU-C and New Style IDU-E Front Panel LEDs for HSS
Color
Function
Green
This ODU is HSS master, generating signal, and HSS Sync is OK
Blinking
Green
This ODU is a HSS client and in Sync
Red
HSS not operational due to improper signal detection. This ODU is not transmitting
Orange
HSS is operational. One of the following conditions apply:
•
This ODU is a master that is generating signals and detecting signals
•
This ODU is a master that is generating signals but detected improper signals
•
This ODU is a client “Continue Tx” but is not detecting signals
•
This ODU is a client “Disable Tx” and is detecting signals from multiple sources
All orange cases transmit.
Off
HSS is not activated
HSS is not supported
Disconnection between ODU and IDU
Note
Instead of using the rack mounting brackets, the IDU may be rail mounted
using the four screw holes on each of its sides.
Table 3-2: IDU-C and IDU-E/R Front Panel LEDs (Continued)
Name
Color
Function
