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A. Single Module Wiring
24 Analog
PABX/KSU
C.O.
Stations
Lines
OR
Punch Down Terminal
Block with Split Center
(not included)
Emerson # 66M1-50
Siemon # 66M150
Suttle # SE-66M1-50-C5
Row 1
Row 2
Lines In
Unused
1T
1R
2T
2R
3T
3R
4T
4R
5T
5R
6T
6R
7T
7R
8T
8R
9T
9R
10T
10R
11T
11R
12T
12R
13T
13R
14T
14R
15T
15R
16T
16R
17T
17R
18T
18R
19T
19R
20T
20R
21T
21R
22T
22R
23T
23R
24T
24R
Bridge Clip the
2
First 24 Pairs
Wiring
Bridge Clip the
First 24 Pairs
Punch down the SO-24A in
parallel with up to 24 analog
lines or stations.
To 24 Monitored
Stations or Phones
Row 3
Row 4
SO-24A
To Phones
Dial Up Code
W/BL
1T
BL/W
1R
W/O
2T
O/W
2R
W/G
3T
G/W
3R
W/BN
4T
BN/W
4R
W/S
5T
S/W
5R
R/BL
6T
BL/R
6R
R/O
7T
O/R
7R
R/G
8T
G/R
8R
R/BN
9T
BN/R
9R
R/S
10T
S/R
10R
BK/BL
11T
BL/BK
11R
BK/O
12T
O/BK
12R
BK/GN
13T
GN/BK
13R
BK/BN
14T
BN/BK
14R
BK/S
15T
S/BK
15R
Y/BL
16T
BL/Y
16R
Y/O
17T
O/Y
17R
Y/G
18T
G/Y
18R
Y/BN
19T
BN/Y
19R
Y/S
20T
S/Y
20R
V/BL
21T
BL/V
21R
V/O
22T
O/V
22R
V/G
23T
G/V
23R
V/BN
24T
BN/V
24R
V/S
25T
S/V
25R
VIKING
POWER
13.8 VAC
STATUS LED
MULTI-UNIT
COMMUNICATIONS
INPUT
Factory
User
Default
Programmable
2-Digit
2, 3, or 4 Digit
Dial Up Code*
01
02
03
04
05
06
07
08
09
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
MODEL SO-24A
©
VIKING
ELECTRONICS
HUDSON, WI 54016
24 LINE
SERVICE OBSERVING UNIT
MASTER
PROGRAM
RECORD CONTROL
TAPE RECORDER
CONNECTIONS
1 2 3
LINE / STATION CONNECTIONS
RECORD
AUDIO
ON
CONTROL
OUT
OUT
OFF
OFF
OUTPUT
RJ21X Male Jack
(not included)
IMPORTANT:
Memory
devices are susceptible to
Location:
lightning and power station
electrical surges from both
#01
the AC outlet and the tele-
phone line.
#02
mended
that
protector be installed to pro-
#03
tect against such surges.
#04
*Note: When using multiple
#05
units, see DOD# 943 for a
programming chart to man-
#06
age dial up codes for up to
10 units.
#07
Observing
#08
Phone
#09
#10
#11
#12
Observing
Station
#13
#14
#15
#16
#17
#18
Unused
PABX/KSU
#19
Trunk Port
#20
#21
Remote
#22
Observing
#23
#24
OR
RJ21X
Electronic
It is recom-
a
surge
RAD-AMP
DOD# 415
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