Nortel Meridian 1 Description page 90

Page 90 of 104 Data options
Figure 21
Block diagram of ADO and M2317 telephone
RS-232
553-3001-108 Standard 9.00 April 2000
Figure 21 shows a block diagram of the ADO and M2317 telephone.
Data Communications Option
EIA
Isolation
Drivers
Receivers
External
+12 V
Power
Supply
12 V
Commercial A.C. Power Supply Available
for 110V ac 60 Hz, 100V ac 50/60 Hz, or
220 V ac 50 Hz.
See the Asynchronous Data User Guide and the M2317 Quick Reference
Card, for more information on ADO operation.
Micro
Processor
+5 V
Meridian SL-1
M2000
Telephone
DSIC ISDLC
QPC578
CODEC
553-3214