166
Appendix
Appendix
D-sub 25-pin connector (cable side)
Pin
Signal
Description
1
SGND
Signal ground
2
366DPR Number display
3
366ACR Abandon call
4
366CRQ Call request
5
366PND Present next digit
7
SGND
Signal ground
14
366NB1
Numerical signal 0 bit
15
366NB2
Numerical signal 1 bit
16
366NB4
Numerical signal 2 bit
17
366NB8
Numerical signal 3 bit
18
366RC
Receive common
19
SGND
Signal ground
22
366DLO Data line occupied
C
H
M
S
W
AA
EE
KK
D
J
N
T
X
BB
FF
LL
A
E
K
P
U
Y
CC
HH
MM
B
F
L
R
V
Z
DD
JJ
NN
CCITT V.35 connector (cable side)
Pin
Signal
Description
A
CGND
Chassis ground
B
SGND
Signal ground
C
V35RS
Request to send
D
V35CS
Clear to send
E
V35DR
Data ready
H
V35ER
Data terminal ready
J
V35RI
Call display
P
V35SD+ Send data+
R
V35RD+ Receive data+
S
V35SD– Send data–
T
V35RD– Receive data–
U
V35TT+
Transmit
V
V35RT+ Receive
W
V35TT–
Transmit timing–
X
V35RT–
Receive timing–
Y
V35ST+
Send
AA
V35ST–
Send timing–
1
13
14
25
Specifications