Merlin 3070 Service And Maintenance Manual page 204

CIB 3021
Issue 2
PRINTED IN U.S.A.
Instructions For
(510C) MODEL 1030 EXPANSION
(61301)
(403777204)
CIB 3021
Issue 2
Copyright 1985 AT&T
All rights reserved
7. Find one of the braces shipped with the expansion unit.
Insert the forked end of the brace into the slots of the
two units. (See Figure 3.)
At the back end of brace align the holes and install screws in
8.
both units and tighten securely.
In same manner (Steps 6, 7, and 8) install other brace on left
9.
side of assembly.
CABLE CONNECTIONS BETWEEN CONTROL UNIT AND EXPAN-
SION UNIT
CAUTION: When installing cable connector on
backplane pins (located in the back of
the control unit or expansion unit) be
very careful not to bend the pins.
Find the ribbon cable connector assembly labeled "Network
10.
Bus".
11. On the backplane of the Model 1030 control unit and
the set of pins labeled "Network Bus". (See Figure 4.)
RED BAND DOWN
NETWORK
BUS
Figure 4
Arrange one connector so that the red band is at the bottom
12.
and carefully insert connector on the backplane pins.
Connect the other connector (red band down) to network bus
13.
pins on the 510C expansioin unit.
14. In the same manner (Steps 10 through 13) connect Ground
Bus Cable (with red band down).
Connect the two cable connectors on the control unit with
15.
the two cable connectors on the expansion unit (see Figure
4).
Reinstall the back panels on Model 1030 control and 510C
16.
expansion units and secure with screws.
17. Plug the ac power cord to the control unit.
18. If current modules are to be installed, install them per in-
structions included with the modules.
Equipment manufactured by AT&T Technologies in the U.S.A.
GROUND
BUS
EXPANSION UNIT
CONNECTIONS
CONTROL UNIT
CONNECTIONS