Standard Rs-232-C Signals; Apple Macintosh To Tado - Northern Telecom Meridian M3000 Reference Manual

5-6 Installation procedures
Table 5-1xxx

Standard RS-232-C Signals

Circuit Designation
EIA
BA
BB
CA
CB
CC
AB
CD
CE
Table 5-2xxx

Apple Macintosh to TADO

9-Pin Connector (From Terminal)
Pin 3
Pin 5
Pin 9
Note: A 9-pin connector cable from Apple is required to connect the Apple
Macintosh to the RS-232-C connector in the TADO.
555-4001-112 Standard 05.01 March 1995
COMMON CCITT
TXD 103
RXD 104
RTS 105
CTS 106
DSR 107
GND 102
DTR 108.2
RI 125
Pin Signal Source
DTE DCE
2 X
3 X
4 X
5
6 X
7
20 X
22 X
RS-232-C Connector (at TADO Point)
Pin 7
Pin 2
Pin 3
Strap Pins 4 and 5 together. Strap Pins
6, 8, and 20 together.
NAME
Transmit Data
Receive Data
Request to Send
Clear to Send
Data Set Ready
Signal Ground
Data Terminal
Ready
Ring Indicator