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S1145B Battery Pack Installation Instructions
The S1145B Battery Pack mounts on an existing Lucent/ATT Wall-Mounting Plate. For
a rack mount or a direct wall mount application, contact SEI regarding a BP-8U External
Battery Pack.
PARTS LIST
1) One S1145B Battery Pack
2) One Battery Connection Cable
1) Detach 1146B Distribution Unit (Skip to step 2 if there is no 1146B mounted next
to the Battery Pack)
a) Remove the #8-32x1” screw located at the bottom of the Distribution Unit, in
recessed area above the molded cable clips. Retain the screw for re-attaching the
Distribution Unit.
b) Lift the Distribution Unit up and out to remove it from the mounting plate
c) Slide the Distribution Unit to the right and place the left side hole on the back of
the Distribution Unit over the right most shoulder screw on the mounting plate.
This is a convenient way to hold the Distribution Unit during installation.
2) Remove Existing Battery
a) Disconnect the battery cord from the 1145 Power Unit’s right rear receptacle.
b) Loosen, but do not remove, the two #10-32x0.5” screws securing the Battery to
the Wall Mounting Plate.
c) Lift the Battery up and pull the battery away from the mounting plate.
3) Mounting S1145B Battery Pack
a) Place the Battery Pack on the mounting plate such that the metal hooks on the
back of the Battery Pack are in the square holes on the top of the mounting plate
and the screws are inside the mounting ears on both sides of the Battery Pack.
b) Tighten the two #10-32x0.5 screws.
4) Re-mounting 1146B Distribution Unit (Skip if no 1146B)
a) Place the Distribution Unit on the two shoulder screws on the mounting plate.
b) Insert the #8-32x1” screw into the recessed hole above the cable clips. Tighten
the screw.
5) Connecting S1145B Battery Pack
a) If the S1145B Battery Pack is used with a Lucent/ATT 1145 Power Unit, connect
the cable supplied with the S1145B Battery Pack to the connector on the right side
of the Battery Pack. Plug the other end of the supplied cable into the right rear
receptacle on the Power Unit.
b) If the S1145B Battery Pack is used with an SEI S1145R Power Unit, connect the
cable supplied with the S1145R Power Unit to the connector on the right side of
the Battery Pack. Plug the other end of the supplied cable into the receptacle on
the right side of the S1145R Power Unit.
6) Fuse Installation
a) Place the provided fuse into the fuse holder cap and insert the fuse into the fuse
holder, located on the right side of the unit. Secure the fuse holder cap with a
quarter turn.
(8 pages)
(18 pages)
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