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On-Line Module Swap
Troubleshooting the MERLIN II system
somtimes
involves replacing control unit modules.
It is possible
with Release 3 of the MERLIN II system, to remove and
insert modules while the system is in operation.
NOTE:
The Processor Module and Power Supply
Modules cannot be removed using On-Line
Module Swap. They require that the power be
turned off to the control unit. The replacement
module must be the same as the one removed
(e.g., a 408 module must be replaced with a 408
module). If the replacement module is not the
same, the MERLIN II system will restart when
you exit the procedure.
Follow the procedures outlined below to replace a module
or modules while the system is powered and in use. Any
deviation from these procedures may cause the system to
restart, with the loss of all active calls as a result.
Designate a
Controller Station
Port
To designate a station port from which to reset modules
(called the “controller” station port), follow these steps:
1
At the MERLIN II System Display Console, enter
administration mode by sliding the T/P switch to P.
2
Touch
Conference
twice.
The administration menu appears.
3
Touch
[More], [Options], [More], [More], [ModSwap]
.
designate a controller station port. The default station
port is station 19.
NOTE: Do not select a basic telephone port.
4
There can be only one controller station port at any
given time. If the Auto Intercom button you select
does not light and you hear a beep when you touch
the
button, another station port is currently designated.
Find the Auto Intercom
-
button of the station showing a
steady green light. Touch the Auto Intercom button to
On-Line Module Swap 4-7