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Installing the T3/E3 Cable Management Tray

Installing the T3/E3 Cable Management Tray

This chapter provides instructions for the installation of the optional cable management tray that you can use to route cables in an open-rack, non-redundant configuration:

You will need to obtain the optional cable management tray kit and one each BXM T3/E3 cable bracket kit for each BXM T3/E3 card.

Installation of Cable Management Tray

Installing Tray Brackets

Step 1   Obtain brackets and associated hardware from the kit.

Step 2   Install left and right brackets, using two nuts to secure each bracket, Figure 12-1.


Figure 12-1: Installation of Cable Management Tray Brackets


Installing Tray

Step 1   Using two hands to hold the cable management tray, slide it over the brackets Figure 12-2.

Step 2   Lower the tray into the lower rest position Figure 12-3.


Figure 12-2: Sliding Cable Management Tray over Brackets



Figure 12-3: Cable Management Tray in Lowered Home Position


Raising Tray for Access to PEMs

You should raise the tray only when necessary to access the Power Entry Modules (PEMs), typically for replacement or to install a second PEM. Figure 12-4 shows the tray in the raised position.

To raise the tray to provide access to the PEMs:

Step 1   Remove the securing screws as necessary.

Step 2   With two hands, pull the tray towards youself and up.

Step 3   Raise the tray to the upper position and lower it onto the upper slots.


Figure 12-4: Cable Management Tray in Raised Position


Installing BXM T3/E3 Cable Bracket

To attach the BXM T3/E3 cable bracket to each BXM T3/E3 card as shown in Figure 12-5:

Step 1   Remove the bracket from the kit.

Step 2   Place the bracket in position as shown.

Step 3   Screw in and tighten the captive screw.

Step 4   Insert one end of the cable tie through the hole in the bracket.


Figure 12-5: Installing BXM T3/E3 Cable Bracket


Connecting Cables to BXM T3/E3 Cards

To route the cables as shown in Figure 12-6 and Figure 12-7:

Step 1   Connect the cables to the card by pushing on the SMB connector locking sleeves as you push the cable connectors on to the card connectors.

Step 2   Dress the cables upward to provide a service loop.

Step 3   Bundle the cables by using cable ties.

Step 4   Wrap the cable strap around the cables and secure them to the cable management bracket.


Figure 12-6: Connecting Cables to T3/E3 Card



Figure 12-7: T3/E3 SMB Connector Detail


Routing Cables from Cards through Cable Management Tray

To route cables as shown in Figure 12-8:

Step 1   Verify that the cable management tray is in the lowered home position.

Step 2   Route cables from the cards through the cable clamps on the cable management tray.

Step 3   Secure the cable management tray to the cable tray brackets by inserting and tightening securing screw, one to each bracket.


Figure 12-8: Cables Routed through Cable Management Tray in Lowered Position


Tray Raised with Cables in Place

Figure 12-9 shows how to raise the cable management tray with cables in place, to provide access to the Power Entry Modules (PEMs).


Figure 12-9: Tray Raised with Cables in Place



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Posted: Fri Jul 27 15:55:12 PDT 2001
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