Nortel Meridian 1 Manual page 81

Figure 26
M2317 data terminal and Data Option power supply connection
RS-232-C interface
connector (25 pins)
+12 V
Exit port for telephone line
and handset free unit cords
Table 16
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.
Add-on modules
+5 V Supply
+5 V Common
–12 V
6 4 3 2 1
5-pin power connector
for data communications
option Power Supply
25-pin (RS-232-C) connector
to
to
to
Telephone and Attendant Console Installation
Page 77 of 144
GND (+12 V Return)
553-1888
(at ADO port)
Pin 7
Pin 2
Pin 3