Nortel 7400 Hardware Installation page 237

Figure 71
Multiservice Switch 7420 termination panel installation
5 Repeat these steps for any remaining termination panels.
6 Securely tighten the mounting screws for each termination panel with a
flat-blade screw driver. Do not over tighten.
Multiservice Switch 7400 Hardware Installation, Maintenance, and Upgrade 6.1S2
Chapter 39 Hardware procedures 237
PPT 3221 015 AA