ADC 150-2205-04, Инструкция по установке и проверке

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800-357-104-01, Revision 01 Installing Multiplexers
HMS-357 List 4 and List 5 September 29, 2000 33
HXU-3
5
7
I
NSTALLING THE
HXU-357 M
ULTIPLEXER
C
ARD
Figure 21. Installing an HXU-357
Step Procedure Installer Check
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Whenever installing or removing units from the HMS-357 chassis, be sure to wear an
antistatic wrist strap and connect it to the ESD strap input.
1 If you have not already done so, unscrew the two hold-down lugs on each side of the chassis front cover.
The cover folds down.
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2 Plug your ESD strap into the ESD input on the front of the chassis.
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3 Align the edges of the HXU-357 multiplexer card with the guide rails in the multiplexer tray.
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4 Grasping the card eject tabs, gently push the card into the bay.
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5 Firmly press in on the tabs until the card snaps into place.
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6 Repeat Step 3 through Step 5 for the other HXU-357 multiplexer.
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7 Proceed to “Setting Up the Communications Channel through the HXU-357” on page 34 .
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Installer Signature
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Date
The LEDs flash momentarily when the multiplexer cards are installed. The PWR LED and Activity
LED remain lit on the active multiplexer. The LEDs on the inactive multiplexer should be off, except
for the power LED.
MUX card
ESD strap input
Card eject tab