AT&T MERLIN MAIL System Programming And Maintenance Manual page 61

Installation
11. Install the voice-processing card into the appropriate slot of the MERLIN
MAIL—ML cabinet, making sure the pins on the back of the voice-
processing card are firmly connected into the slots. Card 1 goes in Slot
1 and Card 2 goes in Slot 2.
Figure 2-12. Installing the Voice-Processing Card
12. Insert and tighten the screw.
13. Re-install the plastic card spacer.
14. Replace the cover.
15. Tighten the four cover screws.
16. Lift the cabinet and securely position it on the wall mount and cable
manager bracket slot.
Adding or Replacing a Voice-Processing Card
2-19