SpectraLink
Link 150 Installation and Operation
12/28/98
28
8.2.1 MCU Error Codes
Code
Description
Action
0
The Link 150 is initializing the Base
Stations.
This is not an error and should change to another
code after a minute.
1-4
MCU identification number. The first
MCU in the IPC chain shows a 1, the next
a 2, etc.
Indicates normal operation when it is on steady.
If any number repeats on more than one
MCU:
Check the IPC connections.
If any number is flashing and the error
light is on:
There is a problem with the MCU indicated by
the flashing box ID.
5
A Base Station has reported an internal
problem.
Replace the Base Station. In rare cases a
problem with the MCU can cause this error.
6
No communication with one or more Base
Stations on this MCU.
Check cabling to verify that the Base Station's
cable is plugged into and fully seated in the Base
Station port at the back of the MCU and plugged
into the Base Station at the other end.
If the LED on the Base Station is not lit, check
for proper wiring of the 8-pin modular plugs.
Refer to 4.2 Connections to Base Stations for
wiring diagram.
If the cable is over 600 feet long, verify that the
extra wire pairs have been connected correctly.
If the Base Station LED is flashing red, check for
open, shorts, or reversals on pins 1 and 2 of the
cable.
Verify proper Base Station operation by
following the procedures outlined in 5.4
Install Base Stations.
7
Internal communication problem with the
MCU.
Replace the MCU.
8
IPC problem.
Check IPC cabling by disconnecting and
reconnecting the MCUs. Refer to 5.3.1 Connect
Multi-Unit Systems for proper cabling. If the
error still occurs try using a different IPC cable.
Replace the MCU if the problem still occurs.
9
The operator is trying to register a wireless
telephone or place an admin call on an
MCU with no phone lines.
Return mode switch to the
NORM
position.
A
The MCU was powered on with the mode
switch in the wrong position.
Turn off the MCU, place the mode switch to the
NORM
position and turn back on.
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