Comdial G0408 - Page 103

P
O
R
T
S
RS-232 In
CID08
Unit #1
RS-232 Out
Lines 1-8
P
O
R
T
S
RS-232 In
CID08
Unit #2
RS-232 Out
Lines 9-16
P
O
R
T
S
RS-232 In
CID08
Unit #3
RS-232 Out
Lines 17-24
To RS-232 B
Serial Data Port
or Next CID08
Unit
DXP002
Figure 2–35: Combining Multiple
CID08 Units
CTS (Pin 2)
RD (Pin 3)
(Pin 5) SG
(Pin 4) TD
9
5
8
4
7
3
6
2
1
From
Caller ID
Unit
RS-232 OUT
Male
9-Pin, "D"-sub
Solder Cup Side
TD
SG
RD
SG
To Serial
Data Printer
VDT or PC
To
RS-232 B
Serial
Data Port
}
DXP001
DXP001
Figure 2–36: Adding Twin Leads
IMI66–107 Digital Telephone System
Installing The DSU 2 – 73