Interface Connector Terminal Assignments - Lear Siegler ADM-3 Maintenance Manual

3 BB BB 3
REQUEST
TO SEND
CA 4
4
CA
CLEAR TO SEND
5 CB CB 5
CC 6
6 CC
AB 7
7
AB
-
-
-
-
CARRIER DETECT
8
CF CF 8
SECONDARY
SA
XMIT DATA
11 SA 11
SECONDARY
RECEIVE DATA
12 SB SB 12
CD
DATA TERMINAL READY
20 CD 20
,+12
...>
<
20MA CURRENT
17
BIOI RECTIONAL LOOP
;
TRANSMITTER
24
,+12
... >
c
20MA CURRENT
23
BI DIRECTIONAL
LOOP
;
RECEIVER
25
ADM-3
EXTENSION
INTERFACE
MODEM
J2
J1
AA
AA
-
-
-
-
BA 2 2
BA
Figure 5-1. Interface Connector Terminal Assignments
5-2