Nortel M3110 Installation Manual page 429

Appendix C: Meridian Modular Telephones add-on modules installation
Figure 84
M2317 data terminal and Data Option power supply connection
RS-232-C interface
connector (25 pins)
Exit port for telephone line
and handset free unit cords
Table 70
Connections for the Apple Macintosh to the M2317
Asynchronous Data Option (ADO)
9-pin connector
(from terminal)
Pin 3
Pin 5
Pin 9
Note: Strap pins 4 and 5 and pins 6, 8, and 20 together.
Telephones and Consoles
+5 V Supply
+12 V
–12 V
6
to
to
to
Description, Installation, and Operation
Page 429 of 504
GND (+12 V Return)
+5 V Common
4 3 2 1
5-pin power connector
for data communications
option Power Supply
25-pin (RS-232-C) connector
(at ADO port)
Pin 7
Pin 2
Pin 3
553-AAA635