JDS Uniphase SmartClass E1 - Page 128

Appendix A Signal Lead Names
112 SmartClass E1 Tester User’s Guide
Table 36 Signal lead cross reference
Signal Lead
(Direction)
Unified Name CCITT RS-232 V.24 X.21 EIA-530 V.35 RS-449 V.36
Receive Data
(From DCE)
RXD 104 RD R RD RD RD
Transmit Data
(To DCE)
TXD 103 TD T TD SD SD
Clear To Send
(From DCE)
CTS 106 CTS I CTS CTS CS
Request To Send
(To DCE)
RTS 107 RTS C RTS RTS RS
Data Terminal (DTE)
Ready
(To DCE)
DTR 108.2 DTR - DTR DTR TR
Data Set (DCE)
Ready
(From DCE)
DSR 107 DSR - DSR DSR DM
Receiver Line Signal
Detect
(From DCE)
DCD 109 RLSD - RLSD RLSD RR
Ring Indicator
(From DCE)
RNG
(not supported)
125 RI - RI CI IC
Local Loopback
(To DCE)
LLB 141 LL - LL LL LL
Remote Loopback
(To DCE)
RLB 140 RL - RL RL RL
Test Mode
(From DCE)
TMA 142 TM - TM TM TM
Transmitter Signal
Element Timing
(From DCE)
STC 114 ST - TC SCT ST
Transmitter Signal
Element Timing
(To DCE)
TXC 113 TT X XTC SCTE TT
Receiver Signal Ele-
ment Timing
(From DCE)
RXC 115 RT S RC SCR RT