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Remote
host
computer
Modem
Central
Office
Power
Supply
408 408 408 408 408
04
PFT
03
02
01
PFT
08
07
06
05
PFT
12
11
10
09
PFT
16
15
14
13
PFT
20
19
18
17
Bridging
adapter
BR 241-B1
Even Station Odd
■ ■ ■
Analog
voice
D8W
terminal
cord
■ Line
Other
■
D8AC
cord
■
VT
General
Purpose
Adapter
Tel Equip
D8W
■
cord
cord
D4BU
cord
■
See Notes 1
Line
and 2
Modem
2212C
Terminal
■
08
07
06
05
04
03
02
01
16
15
14
13
12
11
10
09
24
23
22
21
20
19
18
17
32
31
30
29
28
27
26
25
40
39
38
37
36
35
34
33
RS-232-C
(M25B)
MERLIN II System
Control unit
Data
terminal
or PC
Notes:
1. Bridging adapter connects adjacent odd/even jacks (23, 24) to analog voice terminal.
This type of connection is required for features such as Voice Announcement to
Busy Telephone or Simultaneous Voice and Data.
2. Total distance between the control unit and the voice terminal cannot be more than
1000 feet without local power.
FIGURE 1-12 Simultaneous voice and data (analog station).
System Connectivity 1-53