Merlin 3070 Service And Maintenance Manual page 203

When installed and equipped with appropriate modules, this
expansion unit increases the capacity of your communications
system Model 1030 from 10 lines and 30 voice terminals to
30 lines and 70 voice terminals.
Materials included with expansion unit are two braces for holding
the control unit and expansion unit together, and two cable
assemblies—Nework Bus, and Ground Bus—for interconnect-
ing the two units.
INSTALLATION
Unplug the ac power cord to your Model 1030 control unit,
1.
and ring generator unit (if connected).
Arrange your Model 1030 control unit so that you have at
2.
least 6 inches working access to back of control unit.
Remove top cover from your Model 1030 control unit. (See
3.
Figure 1.)
Figure 1
(510C) MODEL 1030 EXPANSION UNIT (61301)
TOP COVER
LIFT HERE
TO REMOVE
CONTROL UNIT
4. Place the Model 1030 expansion unit on top of your
Model 1030 control unit align front, back, and sides
(See Figure 2.)
Figure 2
Loosen screws and remove back protective panels from both
5.
the control unit and the expansion unit.
On right side of the control unit remove the screw from top
6.
bracket and on expansion unit from bottom bracket. (See
Figure 3.)
BOTTOM BRACKET
ON EXPANSION UNIT
REMOVE
SCREWS
TOP BRACK-
ON CONTROL
UNIT
Figure 3
CIB 3021
EXPANSION
UNIT
CONTROL
UNIT
SIDE
EXPANSION
UNIT
BRACE
CONTROL
UNIT