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LTPH-SM-1014-03, Issue 3
I
HXU-369 M
NSTALLING THE
Card eject tab
If you have already installed the HXU-369 multiplexer at this point as outlined in
Cables—OC-3 (Dual Subtended STS-1 Multiplexers)" on page
(Optional)" on page 61
and plan to install a fan; otherwise, proceed to
If you are installing an HXU-369 in a Wideband System 3190 that has an legacy multiplexer
(HXU-357, HXU-358, or HXU-359), contact Customer Service.
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
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.
2
Plug your ESD strap into the ESD input on the front of the chassis.
3
Align the edges of the HXU-369 with the slot guides in the multiplexer tray.
4
Grasping the card eject tabs, gently push the card halfway into the bay.
• Insert the fiber-optic cable connectors into transmit (TX) and receive (RX) receptacles on the
piggybacked card.
• Route the cables through the inverted T slots in the HXU-369 front panel. The inverted T slots
provide a method of maintaining the correct cable bend ratio.
• The cables are then routed to the left of the multiplexer tray and exit the tray via the large access
hole on the left side of the tray.
5
Grasping the card eject tabs, gently push the card the remainder of the way into the bay.
HMS-358 List 1 and List 2
ULTIPLEXER
MUX card
Figure 37. Installing an HXU-369
January 12, 2001
C
ARD
ESD strap input
"Installing Interface
15, proceed to
"Installing a Fan Assembly
"Installing a Line Unit (HLU)" on page 63
Installing Multiplexers
.
Installer Check ü ü ü ü
H
H
H
H
H
Continued
59
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