ITC 220 Base Station, Locomotive & Wayside Radio Transceiver Field Service Guide PN 0046300120 Rev. A
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5.6.2
VERIFY COOLING FANS ARE OPERATIONAL (BASE STATION TRANSCEIVERS ONLY)
Base Station Transceivers rely on the cooling fans being operational to help prevent overheating conditions. The Base
Station Transceiver has three cooling fans: one cooling fan is located on heat-sink fins on the right side of the
transceiver chassis, and two cooling fans are located on heat-sink fins at the rear of the unit.
To test the Base Station Transceiver cooling fans:
1.
If it is not already connected, connect the computer to the transceiver
MAINT
port, using a Category 5 or better
Ethernet cable.
2.
On the computer, open the
XtermW
application, if it is not already open.
3.
Turn on the first fan, located on heat-sink fins at the right side of the transceiver:
a.
Click
Send
, click
Command
, and then type:
FANS,ON,0
b.
Click
OK
.
4.
Verify that the first fan turns on and runs.
5.
Turn on the second fan, located on the rear set of heat-sink fins to the right:
a.
Click
Send
, click
Command
, and then type:
FANS,ON,1
b.
Click
OK
.
6.
Verify that the second fan turns on and runs.
7.
Turn on the third fan, located on the rear set of heat-sink fins to the left:
a.
Click
Send
, click
Command
, and then type:
FANS,ON,2
b.
Click
OK
.
8.
Verify that the third fan turns on and runs.
9.
Turn each of the fans off, verifying that each turns off soon after clicking OK:
a.
Click
Send
, click
Command
, and then type:
FANS,OFF,0
b.
Click
OK
. The right-side fan turns off.
c.
Click
Send
, click
Command
, and then type:
FANS,OFF,1
d.
Click
OK
. The right rear fan turns off.
e.
Click
Sen
d, click
Command
, and then type:
FANS,OFF,20
f.
Click
OK
. The left rear fan turns off.