Paradyne FrameSaver 9620, Installation Instructions Manual

Page: 16 / 17

16
EIA-232E DTE Ports/Interfaces (continued)
Signal
Circuit
Mnemonic ITU/
CCITT #
Direction
25-Pin
EIA-232E
Pin #
Not used — — — 13
Reserved for future use — — — 14
Transmitter Signal Element
Timing ( TXC ) DB 114 From DCE 15
Reserved for future use — — — 16
Receiver Signal Element
Timing ( RXC ) DD 115 From DCE 17
Local Loopback ( LL ) LL 141 To DCE 18
Not used — — — 19
Data Terminal (or DTE )
Ready ( DTR ) CD 108/1, /2 To DCE 20
Not used — — — 21
Ring Indicator ( RI ) RI 125 From DCE 22
Not used — — — 23
Transmitter Signal Element
Timing ( TT ) DA 113 To DCE 24
Test Mode Indicator ( TM ) TM 142 From DCE 25