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T3/E3 Cable Management Tray

T3/E3 Cable Management Tray

This chapter provides instructions for the installation of the optional cable management tray that may be used to route cables in an open rack non-redundant configuration.

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

This chapter contains the following:


Installation of Cable Management Tray

Raising Tray for Access to PEMs

Installing BXM T3/E3 Cable Management Bracket

Connecting Cables to T3/E3 Cards

Routing Cables from Cards through Cable Management Tray

Tray Raised with Cables in Place

Installation of Cable Management Tray

Installing Tray Brackets


Step 1   Obtain brackets and associated hardware from kit.

Step 2   Install left and right brackets, using 2 nuts to secure each bracket, Figure 8-1.


Figure 8-1: Installation of Cable Management Tray Brackets


Installing Tray


Step 1   Using two hands to hold cable management tray, slide over brackets Figure 8-2.

Step 2   Lower tray into lower rest position Figure 8-3.


Figure 8-2: Sliding Cable Management Tray over Brackets



Figure 8-3:
Cable Management Tray in Lowered Home Position


Raising Tray for Access to PEMs

The tray is raised only when necessary to access the Power Entry Modules (PEMs), typically for replacement or to install a second PEM. Figure 8-4 shows the tray in the raised position. To raise the tray to provide access to the PEMs proceed as follows:


Step 1   Remove securing screws as necessary.

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

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


Figure 8-4: Cable Management Tray in Raised Position


Installing BXM T3/E3 Cable Bracket

Attach the BXM T3/E3 cable bracket to each BXM T3/E3 card as follows, Figure 8-5:


Step 1   Remove bracket from kit.

Step 2   Place bracket in position as shown.

Step 3   Screw in and tighten captive screw.

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


Figure 8-5: Installing BXM T3/E3 Cable Bracket


Connecting Cables to BXM T3/E3 Cards

Route cables as follows, Figure 8-6 and Figure 8-7:


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

Step 2   Dress cables upward to provide service loop.

Step 3   Bundle cables using cable ties.

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


Note Cables are disconnected from a card by pulling on the cable connector locking sleeve as you pull cable connector away from card connector.

Figure 8-6: Connecting Cables to T3/E3 Card



Figure 8-7:
T3/E3 SMB Connector Detail


Routing Cables from Cards through Cable Management Tray

Route cables as follows, Figure 8-8:


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

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

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


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

Tray Raised with Cables in Place

Figure 8-9 shows how the cable management tray is raised with cables in place, to provide access to the Power Entry Modules (PEMs).


Figure 8-9: Tray Raised with Cables in Place



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Posted: Mon Jan 15 19:51:21 PST 2001
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