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Figure 3-14. Installing an MRT 19 trunk module
4
Slide the trunk module into the trunk module slot until the connector on the
module comes in contact with the connector within the chassis. Do not force the
card into the slot.
5
Firmly press the module completely into the slot to engage the connector on the
card with the connector in the chassis.
6
Using a number 2 Phillips screwdriver, carefully tighten both screws on the trunk
module. Do not overtighten.
Removing a trunk module
To remove a trunk module:
1
Put on the antistatic wrist strap and connect it to ground potential.
2
Disconnect or turn off power to the unit.
3
Using a number 2 Phillips screwdriver, loosen the thumbscrews located on both
sides of the trunk module, shown in Figure 3-13. Other screwdrivers might
damage the screw heads.
4
Grasp the thumb screws firmly and pull the trunk module clear of its connector
within the chassis.
5
Carefully slide the trunk module out of the chassis, and place it into an antistatic
container.
MRT cooling
Fans used for cooling the Stinger MRT 19 are housed in a replaceable cooling module
(PN 0710-1053-001). If a fan in the Stinger MRT 19 cooling module fails, the cooling
module can be replaced while the Stinger unit is in service.
Caution
!
operating MRT 19 unit for more than two minutes.
You can monitor fan status remotely in both the Stinger MRT 23 and the Stinger
MRT 19 by creating an alarm profile, as described in the Stinger Administration Guide.
Stinger® MRT Getting Started Guide
48 V A
RT N
RT N
48 V B
A
B
To avoid overheating, the cooling module must not be removed from an
Installing a Stinger MRT
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5
E X P 2
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S
S TA T U
P
G R O U
S E L
LO S
S D
2
P O R T
MRT cooling
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M A JO R
A LA R M
M IN O R
O LE
C O N S
LO S
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P O R T
3-13
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