User manual

Wide Bank 28 DS3 - Release 2.4 July 2004 10-9
Maintenance
Replacing Low-Speed Cards
Inserting the Electronics Section of an MSO Card
1. Ensure that the replacement section is positioned correctly in the guide rails, and the white
ejector latch lever is positioned to engage the roll pin on the relay section. Then carefully slide
the section into the slot.
2. Press the white ejector latch inward until the connector on the electronics section mates with a
matching connector on the relay section.
NOTE: If the faceplate is a fan faceplate, in the following step ensure that the fan power
connectors are aligned and seated on the Controller board power connectors.
3. Replace the faceplate and tighten the fastening screws. Do not overtighten. Carrier Access
recommends a maximum torque of 8 to 10 inch-pounds.
Figure 10-6 Inserting an MSO Electronic Card
White Ejector
Latch Lever
Roll Pin
Guide
Rails