Appendix A. Pinouts
61204011L1-1
DSU IV ESP User Manual
A-3
Table A-3. Pin Assignments for Primary EIA-232 Connector
DB25 Pin EIA
Description
1
AA
Protective Ground (PG)
2
BA
Transmit Data (TD)
3
BB
Receive Data (RD)
4
CA Request
to
Send
(RS)
5
CB
Clear to Send (CS)
6
CC
Data Set Ready (SR)
7
AB
Signal Ground (SG)
8
CF
Received Line Signal Detector (CD)
9
-
+12 Test Point
10
-
-12 Test Point
15
DB
Transmit Clock (TC)
17
DD
Receive Clock (RC)
18
-
Local Loopback (LL)
20
CD
Data Terminal Ready (TR)
21
-
Remote Loopback (RL)
22
CE
Ring Indicator (RI)
24
DA
External TX Clock (ETC)
25
-
Test Indicator (T1)
Summary of Contents for DSU IV ESP
Page 54: ...Chapter 4 Applications 4 8 DSU IV ESP User Manual 61204011L1 1...
Page 80: ...Chapter 8 Configuring Test Options 8 4 DSU IV ESP User Manual 61204011L1 1...
Page 92: ...Chapter 9 Configuring Dial Options 9 12 DSU IV ESP User Manual 61204011L1 1...
Page 104: ...Chapter 11 Configuring Unit Utilities 11 6 DSU IV ESP User Manual 61204011L1 1...
Page 108: ...Chapter 12 Activating Dial Functions 12 4 DSU IV User Manual 61204011L1 1...
Page 134: ...Chapter 14 Viewing Status Information 14 6 DSU IV ESP User Manual 61204011L1 1...
Page 140: ...Appendix A Pinouts A 6 DSU IV ESP User Manual 61204011L1 1...
Page 152: ...Appendix B AT Commands B 12 DSU IV ESP User Manual 61204011L1 1...
Page 168: ...Appendix D Configuration Profiles D 4 DSU IV ESP User Manual 61204011L1 1...
Page 172: ...Appendix E DSU to DSU Tail Circuit E 4 DSU IV ESP User Manual 61204011L1 1...
Page 176: ...Appendix F Specifications Summary F 4 DSU IV ESP User Manual 61204011L1 1...
Page 190: ...Appendix H Glossary H 10 DSU IV ESP User Manual 61204011L1 1...
Page 194: ...Index Index 4 DSU IV ESP User Manual 61204011L1 1...