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LTPS-UM-8013-03 Installing a D3LX CO Module in an LEC
D3LX CO and RMT Modules August 30, 2002 9
INSTALLING A D3LX CO MODULE IN AN LEC
Use the following procedure to install D3LX CO modules in LECs:
1 Select the fiber-optic patch cord with the appropriate length (the measured distance from the Fiber
Distribution Frame or equivalent distribution device) and the appropriate type optical connector (SC or FC
type).
2 Route the fiber patch cord through the top of the chassis, along the heat baffle/fiber management panel. Lower
the cord through the FiberGuide vertical duct to the location reserved for the D3LX CO module as shown in
Figure 5 on page 10. The protective cover must remain on the fiber connector to prevent dust and damage to
the connection. The fiber should be tagged to identify the circuit.
3 Open the front panel of the LEC into which the D3LX CO will be installed.
Avoid exposure to invisible laser radiation.
• Do not look into the ends of any optical fiber or directly into the module fiber connectors as
exposure to invisible laser radiation may result.
• Use a meter to verify active fibers.
• Do not insert module edge connectors into the chassis connectors before connecting the
optical fiber to the module. Verify that LED indicators are not lit, and the module is not
engaged with the chassis connectors before proceeding.
When using D3LX CO modules in a group, never install other Soneplex modules in any of the
unused slots in the same group.
Remove any existing wire wraps from the LEC backplane prior to installing any ADC adapter
cables (BNC-3-CBL-WW) for the groups that are being used for D3LX modules.