ADTRAN ISU 128 User Manual download pdf (Page 131)

Appendix E: Connector Pinouts

116 ISU 128 User Manual 61202.029L2-1

Table E-B

RS-530 Interface

Pin Name I/O Description

1 Shield I/O Shield for cable

2 TD-A I Transmitted Data

3 RD-A O Received Data

4 RTS-A I Request to Send

5 CTS-A O Clear To Send

6 DSR-A O Data Set Ready

7 SG I/O Signal Ground

8 CD-A O Carrier Detect

9 RC-B O Receive Clock (return)

10 CD-B O Carrier Detect (return)

11 ETC-B I External Transmit Clock (return)

12 TC-B O Transmit Clock (return)

13 CTS-B O Clear To Send (return)

14 TD-B I Transmit Data (return)

15 TC-A O Transmit Clock

16 RD-B O Receive Data (return)

17 RC-A O Receive Clock

18 NC N/A No Connection

19 RTS-B I Request To Send (return)

20 DTR-A I Data Terminal Ready

21 NC N/A No Connection

22 DSR-B O Data Set Ready (return)

23 DTR-B I Data Terminal Ready (return)

24 ETC-A I External Transmit Clock

25 NC N/A No Connection

I= Input, O= Output, N/A= Not Applicable

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ADTRAN ISU 128 User Manual Page 131