Open
Open
Closed
Closed
Switch A
Expansion
Cabinet
Slot Locations
Switch B
Expansion
Cabinet
Slot Locations
Expansion Cabinet
Interface Board
1
2
3
4
5
6
7
8
1
2
3
4
5
6
7
8
9
10
11
12
9
10
11
12
PLUS010
SWA
SWB
Note: SWA-12 and SWB-12 are
not used on Interface 2 (upper
cabinet). SWA-11/12 and SWB-11/12
are not used on Interface 3 (lower
cabinet).
SWA and SWB switches
not in use must be in "off"
(open) position!
Locating The Interface Board DIP Switches
Installing The DXPT1 Line Board
IMI89–193
Installing The DXPT1 Line Board – 23