3-2 Cisco IGX 8400 Series Installation and Configuration
Preparing the Cards
Figure 3-1 W6 Jumper
Many cardsets supportY-cable redundancy. Thisfeature requires anextra setof cardsand a Y-cable.
A set of commands exists to specify, delete, and display Y-cable redundancy. For instructions on
setting up Y-cable redundancy, refer to the setup section for the specific card set.
Note FRM and NTM front cards exist in one and two-piece versions. The two-piece card uses an
ACM1. Refer to the Cisco IGX 8400 Series Reference for details.
A Cisco IGX node can support a configuration of up to 32 trunks.
Caution Connector pinsmust align withreceptacles. Beforecard insertion, make surethat pinsare
straight and that card connectors and the backplane align. Insert the card gently. It might be
necessary topush the edgeof thecard slightly toone sidefor alignment (thismight requireremoving
cards).
The locations for the NPMs and SCMs in a Cisco IGX:
• Non-Redundant:
— NPM in front slot number 1
— SCM in back slot number 1 behind NPM front slot number 1
• Redundant:
— NPMs in front slot numbers 1 and 2
— SCM in back slot number 1 behind NPM front slot number 1
W6
W5
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