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TT8900 OPT
–
Installation and Service Manual
Page 38 of 41
5.7
Replacing the Cellular Router
Tools Required: Flat head screwdriver.
In the unfortunate event the Cellular Router module needs to be replaced, follow these steps to
complete the swap and resume normal operations:
Note: The replacement Cellular Router has already been configured, prior shipping.
1.
Open the TT8900 OPT door using the commissioned key.
2.
Power off the UPS battery then, disconnect the TT8900 OPT unit from the mains power.
3.
Locate the Cellular Router module and:
»
Disconnect the cellular network antenna
from the Cellular Router’s end.
»
Disconnect the Ethernet cable.
»
Disconnect the power cable.
4.
While pushing the module down against the rail, swing the bottom end towards you to
release it.
5.
Install the new Cellular Router by pushing the module down against the rail, then
swinging the bottom end towards the DIN rail until it locks.
6.
Undo STEPS 3,2,1.
7.
Once the front door is closed, turn on the power and resume your TT8900 OPT activity.
Figure 27: T20 CMM Module Replacement
Содержание TT8900
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