ADTRAN ISU 512 User Manual
Page 107
Appendix D. Pinouts
61202.086L1-1
ISU 512 User Manual
91
Table D-C
RS-366 Dialing Port Pinouts
See Figure D-3.
P i n
Name
I n p u t / O u t p u t
D e s c r i p t i o n s
1
Shield
I / O
Shield for Cable
2
DPR
I
Digit Present
3
ACR
O
Abandon Call and Retry
4
CRQ
I
Call Request
5
PND
O
Present Next Digit
6
PWI
O
Power Indication
7
SG
I / O
Signal Ground
1 3
DSC
O
Distant Station Connect
1 4
NB1
I
Digit LSB
1 5
NB2
I
Digit bit 2
1 6
NB4
I
Digit bit 3
1 7
NB8
I
Digit MSB
2 2
DLO
O
Data Line Occupied
Signals for 2nd RS-366 Port on RS-366 Y Cable
8
BDPR
I
Digit Present
9
BACR
O
Abandon Call
1 0
BCRQ
I
Call Request
1 1
BPNDD
O
Present Next Digit
1 2
NC
N / A
No Connection
1 8
BDSC
O
Distant Station Carrier
1 9
BNB1
I
Digit LSB
2 0
BNB2
I
Digit Bit 2
2 1
BNB4
I
Digit Bit 3
2 3
NC
N / A
No Connection
2 4
BNB8
I
Digit MSB
2 5
BDL0
O
Data Line Occupied
I = Input, O = Output, N/A = Not Applicable