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MIX 56 User Manual 2 Installation
122188-10 A0 Telect, Inc.
2-15
Step Action
1. Verify the power source is unfused.
2. As instructed in the fol-
lowing paragraph, con-
nect office battery and
return (20Vdc to 60Vdc)
to the screw-down wire-
binding connectors la-
belled “A” at either top-
rear corners of the chas-
sis. For example, for a
-48V dc plant, connect -48V to -A and RTN to +A; for a +24V
plant, connect +24V to +A and RTN to -A.
Loosen the set screws for each, insert the wires, and tighten the
screws.
3. To ensure power redundancy, repeat Step 2 for Side B using a sepa-
rate power source. If you are not using a second source, connect
Side B to the same source as Side A to avoid triggering an alarm.
4. If a mating connector is used, insert the connector into the recepta-
cle and tighten the two screws until the connector is securely in
place.
5. Fuse the power source to supply power to the chassis.
INSTALLING THE OPTIONAL RJ CONNECTOR RETROFIT
The optional RJ Connector Retrofit (part # 747-9999-2848) is a one piece
unit that converts a system’s wire-wrap pin blocks into 28 RJ-48 connec-
tors. To install the unit, you must remove the wire-wrap door and its retain-
er clip, and install a mounting post on each side of the pin blocks, as de-
scribed on the following pages.
Specifications
Universal Service Order Code (USOC): RJ-48C
Electrical Network Connection: Tip/Ring and Tip1/Ring 1
Mechanical Arrangement: 8-position miniature modular jack
Usage: 1.544 Mb/s digital access lines
+B
–B
+A
–A