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Installing Multiplexers
I
HXU-359 M
NSTALLING THE
Card eject tab
MUX card
Step
Procedure
Whenever installing or removing units from the HMS-358 chassis, be sure to wear an
antistatic wrist strap and connect it to the ESD strap input.
1
Unscrew the two hold-down lugs on each side of the chassis front cover. The cover folds down.
2
Plug your ESD strap into the ESD input on the front of the chassis.
3
Set switches on the SW2 switch block for activation of the HXU or HMU craft port.
(The SW2 switch block is located on the circuit board behind the front panel.)
Confirm that switch 5 default configuration is Off (HMU craft port activated) and switch 3 default
configuration is Off (OSTS protocol is activated for the backplane).
4
Align the edges of the HXU-359 with the slot guides in the multiplexer tray.
5
Grasping the card eject tabs, gently push the card into the bay.
6
Firmly press in on the tabs until the card snaps into place.The LEDs flash momentarily. The Power
LED and Active LED on the active multiplexer remain illuminated. The LEDs on the inactive (standby)
multiplexer should be off, except for the Power LED.
7
Repeat
Step 3
through 6 for the other HXU-359.
8
Proceed to
"Setting Up Basic System Parameters through the Config Menu" on page
? ? ? ?
Installer Signature
50
ULTIPLEXER
Figure 31. Installing an HXU-359
January 12, 2001
LTPH-SM-1014-03, Issue 3
C
ARD
ESD strap input
51.
HMS-358 List 1 and List 2
Installer Check ü ü ü ü
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