Unison Component Installation Procedures
7-26
InterReach Unison Installation, Operation, and Reference Manual
CONFIDENTIAL
D-620003-0-20 Rev J
Power is supplied by the Expansion Hub. Upon power up, the LEDs blinks for
two seconds as a visual check that they are functioning. After the two-second test:
• The
LINK
LED should be green indicating that it is receiving power and com-
munications from the Expansion Hub.
• The
ALARM
LED should be red until the Main Hub issues the band command,
within about 20 seconds, then it should be green.
7.4.3.1
Troubleshooting RAU LEDs During Installation
• The
LINK
and
ALARM
LEDs should be green, and remain green for longer than 90
seconds. The
ALARM
LED will be red if the system band has not been pro-
grammed.
7.4.3.2
Installing RAUs in a Multiple Operator System
When installing both iDEN and Cellular systems in parallel, either as dual-band or
multiple operator systems, you must take special provision to assure that the individ-
ual RAUs do not interfere with each other.
The 800 MHz Cellular and iDEN RAU’s antennas must be separated by 6 to 8
meters (20 to 26 feet) to assure that the iDEN downlink signals do not interfere
with the Cellular uplink signals.
Table 7-7
Troubleshooting RAU LEDs During Installation
During
Installation
LED
State
Action
Impact
1.
The RAU is con-
nected to the
Expansion Hub,
which is powered
on
LINK
Off
Check the Cat-5E/6 cable.
No power to RAU.
ALARM
Off
LINK
Green
• Check the Cat-5E/6 cable.
• Check Expansion Hub LEDs
Refer to page 7-22, item 2 in
Table 7-6.
• Use AdminManager to determine
the problem.
RAU is off-line.
ALARM
Red
LINK
Red from
green, after
the cables are
connected for
60 seconds
• Check the Cat-5E/6 cable
• Check the Expansion Hub LEDs
Refer to page 7-22, item 2 in
Table 7-6.
• Use AdminManager to determine
the problem.
No communications
between the RAU and the
Expansion Hub.
ALARM
Red
