76
11 unused
12 unused
13
Distant Station
Connected
Indicator from ACE to DTE that the call is succesfully
made.
DSC
14-
17
Digit Signal
Circuits
Four lines containing a parallel BCD dial digit (10 digits,
plus control digits)
NB1-
NB8
18 unused
19 unused
20 unused
21 unused
22
Data Line
Occupied
An indicator that is used by the ACE to let the DTE know
that the line it wants to use is used by another device.
DLO
23 unused
24 unused
25 unused
RS422 37pin
(at the DTE)
(at the DCE)
37 PIN D-SUB MALE at the DTE (Computer).
37 PIN D-SUB FEMALE at the DCE (Modem).
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