Viking C-3000 Technical Practice page 4

F. Wiring with Modems (including DSL Lines)
The C-3000 may be wired with this alternate wiring scheme which allows tenants to talk to their visitors without dis-
rupting their C.O. modem transmissions, or losing DSL carrier signals. It requires two pair runs and RJ-14 jacks for
each apartment. In this scheme, the modem will be connected to the Y/BK pair of the RJ-14 which is wired ahead of
the C-3000, directly to the C.O. line. Use a 2 line splitter to connect the modem to the Y/BK pair. Wiring in this manor
for all apartments assures a smooth transition as tenants add modems and DSL service in the future.
1. Concept
DSL Modem
2. Detailed Example
VIKING
POWER
13.8 VAC
POSTAL
LOCK
INPUT
DIP
SWITCH
1 2
1 2 3
O
N
O
F
F
PWR
USE
PROGRAM PHONE
4
VIKING
POWER
13.8 VAC
SWITCH
O
N
O
F
F
PROGRAM PHONE
C.O. Line
Modem or Y/BK
MODEL C-3000
©
VIKING
ELECTRONICS
HUDSON, WI 54016
12 UNIT APARTMENT
ENTRY CONTROLLER MODULE
DOOR DOOR
STRIKE STRIKE
1 2
RJ21X
3 4 5 6 7 8
12 APARTMENT LINES IN/OUT
MULTI-MODULE
INTERCONNECTS
IN
ENTRY ENTRY
PHONE 1 PHONE 2 OUT IN
RJ-14 Jack
in Apartments
R/G = Phones
Y/BK = Modem
To Modem
MODEL C-3000
©
VIKING
ELECTRONICS
HUDSON, WI 54016
12 UNIT APARTMENT
ENTRY CONTROLLER MODULE
DOOR DOOR
POSTAL
STRIKE STRIKE
LOCK
1 2
INPUT
DIP
RJ21X
1 2 3 4 5 6 7 8
1 2 3 12 APARTMENT LINES IN/OUT
MULTI-MODULE
INTERCONNECTS
PWR
IN
USE
ENTRY ENTRY
PHONE 1 PHONE 2 OUT IN
In Out
DSL Filter
Row 1
C.O. Lines
1T
1R
2T
2R
3T
3R
4T
4R
5T
5R
6T
6R
7T
7R
8T
8R
9T
9R
10T
10R
11T
11R
12T
12R
DSL Filter
12 C.O.
Lines In
Y/BK Pair
R/G Pair
Radio Shack Line Splitter
Model #279-402 or #279-432
Phone
R/G
Bridged
Row 2 Row 3 Row 4
C-3000 Apt Modem Not Used
26 W/BL 1BK N/C
1Y
1 BL/W N/C
28 W/G 2BK N/C
3 G/W 2Y N/C
30 W/S 3BK N/C
5 S/W 3Y N/C
32 R/O 4BK N/C
7 O/R 4Y N/C
34 R/BN 5BK N/C
9 BN/R 5Y N/C
36 BK/BL 6BK N/C
11 BL/BK 6Y N/C
38 BK/G 7BK N/C
13 G/BK 7Y N/C
40 BK/S 8BK N/C
8Y
15 S/BK N/C
42 Y/O 9BK N/C
17 O/Y 9Y N/C
44 Y/BN 10BK N/C
19 BN/Y 10Y N/C
46 V/BL 11BK N/C
21 BL/V 11Y N/C
48 V/G 12BK N/C
23 G/V 12Y N/C
Punchdown Terminal
Block with Split Center
Siemans # 566B3-50
Marconi # R66B3-50
Bridged
Row 5 Row 6
C-3000
Apt Phns
27 W/O 1G
2 O/W 1R
29 W/BN 2G
4 BN/W 2R
31 R/BL 3G
6 BL/R 3R
33 R/G 4G
8 G/R 4R
35 R/S 5G
10 S/R 5R
37 BK/O 6G
12 O/BK 6R
39 BK/BN
7G
14 BN/BK 7R
41 Y/BL 8G
16 BL/Y 8R
43 Y/G 9G
18 G/Y 9R
45 Y/S 10G
20 S/Y 10R
47 V/O 11G
22 O/V 11R
49 V/BN 12G
24 BN/V 12R
(not included)