ADTRAN ISU 512 User Manual

Page 107

background image

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