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NetVanta 4300/4400 Series Unit Installation
61200890E2-34R Copyright © 2013 ADTRAN, Inc. 51
Installing Dial Backup and Network Interface Modules
The DIMs plug onto the NIMs. The NIMs are then installed in the rear panel option module slot. The
following tables list the installation steps. See Figure 21 on page 51 below and Figure 22 on page 52.
Figure 21. Installing DIMs
For NetVanta modules with outside plant connections, ensure that all cables are
removed from all modules before installing or removing it from the NetVanta chassis.
Electronic modules can be damaged by static electrical discharge. Before handling
modules, wear an antistatic discharge wrist strap to prevent damage to electrical
components. Place modules in antistatic packing material when transporting or storing.
When working on modules, always place them on an approved antistatic mat that is
electrically grounded.
Instructions for Installing the DIMs
Step Action
1 Remove power from the unit.
2 If the NIM is already installed in the NetVanta chassis, remove all cables, release the pins at
both edges of the NIM front panel, and slide the module out of the chassis.
3 Carefully align the P1 connector on the NIM with the J1 connector on the DIM. Using only fingertip
pressure so that neither circuit board bends or flexes, ensure that the connectors are firmly seated.
Secure the DIM to the NIM using the screws and standoff posts supplied. See Figure 21.
4 Slide the NIM with the DIM attached into the NetVanta chassis, continuing with the normal NIM
installation (refer to Instructions for Installing the NIMs and Wide NIMs on page 52).