Northern Telecom Meridian SL-1 Reference Manual page 17

Chart 3-1 (continued)
Battery replacement
St ep Pr oced ur e
8 With three black jumper wires, connect the four battery packs in
series (Fig. 3-1). Connect the large lug on the black wire to terminal
of the first battery pack. Connect the small lug on the wire to the
terminal on the second battery pack. Install the remaining wires
between the second and third, and the third and fourth battery
packs.
Ensure that connections to the battery terminals are secure but do
no over-tighten (maximum torque not to exceed 35 in/lb (3.95 N.m)).
9 Connect the black wire inside the QBL24 unit to the remaining
positive (+) battery terminal, and the red wire to the remaining
negative (-) battery terminal.
10 Reinstall cover on QBL24 battery unit.
11 Set the AC BRKR or AC POWER breaker (whichever is equipped)
located on the front -48 V rectifier to ON.
12 Set the DC BRKR breaker on the front of the QBL24 battery units to
ON.
13 Set the CAB INP breaker on the front of the QUX19 or QUX21 unit
to ON.
2-Mb/s Remote Peripheral Equipment
Equipment replacement 3-3
Appendix 1 to 553-2741-500