Simplex VESDA 4100 Series Installation Instructions Manual page 10

Installing Motherboards into 2975-94xx Back Boxes (4100U/4100ES)
Overview
The VESDA motherboard can be mounted to either 4100 Back Boxes (PID series 2975-91xx) or
4100U/4100ES Back Boxes (PID series 2975-94xx).
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This section describes mounting the 4100-6048 version into 4100U/4100ES Back Boxes.
Installing into a
Up to two motherboards may be installed with the system CPU in the CPU bay.
2975-94xx CPU Bay
Use the following directions to mount a motherboard into a CPU bay.
1. Orient the motherboard with the connector labeled J1 on the right and the header labeled
2. Slide the motherboard to the right until the pins from P1 on the motherboard to the right
3. Attach four lockwashers and metal standoffs to the chassis, and secure the motherboard
J1
The 4100/4120-0154 is used for systems with 4100 Back Boxes.
The 4100-6048 is used for systems with 4100U /4100ES Back Boxes
P1 on the left.
are completely inserted in the motherboard's J1 connector.
to the chassis using four #6 screws.
Slide the motherboard to the right until P1 on the first
motherboard connects with J1 on the next one.
P1
Figure 6. Installing the Motherboard into a 4100U/4100ES CPU Bay
CPU
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SPS
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