Digital Telephone System
2.18 Installing The System Options And Accessories
This section contains information on installing the battery back up, the analog terminal interface,
and the data interface unit.
2.18.1
Installing The Battery Back Up Assembly
Preparing The Battery Back Up Assembly For Use
The factory ships the battery back up assembly with the harness installed in the enclosure. To
complete the assembly, perform the following operations:
• remove the lid from the metal enclosure and save the retaining hardware,
• install the batteries in the metal enclosure and connect the wiring per the schematic shown
below,
• replace the lid.
You can wall mount the battery back up enclosure if you wish. If you do, follow the same
guidelines and instructions for mounting the common equipment cabinet as set forth at the
beginning of this chapter.
2 – 54 Installing The DSU
batt3.cdr
Figure 2–25: Wiring The Batteries
IMI66–107