Specifications
Step 1. Obtain an HD-1 Tip/Ring interface cord (6 ft cord with 4 pin connector, RJ11C plug and jack) from Viking Technical
Support: 715-386-8666.
Step 2. Remove the 4 screws on the back of the HD-1 and remove the cover.
Step 3. Locate J1 (as shown above) and cut the wires on pins 1-8 of the J1 connector. Then remove the cord and modular
handset jack connected to J1. Caution: Do NOT cut the red and black battery wires connected to J1 pins 9 & 10.
Step 4. Connect the Tip/Ring interface cord to J2. Note: Connector position 1 to pin 1 of J2. Slide the modular Tip/Ring jack
into place.
Step 5. Slide Wiring Protocol Switch to position “C” as shown.
Step 6. Replace the back cover and connect the modular cord from the phone to the modular jack on the HD-1.
Step 7. Plug the HD-1 cord into the modular jack the phone was connected to.
3
123
456
789
0#
HANDSET DIALER
Model HD-1
Battery OK
VIKING©
J1 J2
C B A
9V Battery
J1 Handset Interface
Connector
J2 Tip/Ring Interface
Connector
Modular Handset Jack or
Modular Tip/Ring Jack
Wiring Protocol
Switch
Internal View of the HD-1
Pins: 10 9 8 7 6 5 4 3 2 1 4 3 2 1
B. Tip & Ring Interface
The HD-1 can be used to dial touch tones directly on a Tip & Ring interface (C.O. line, analog PABX/KSU extension, etc.), it is nec-
essary to change from the default handset cord to the Tip/Ring interface cord. To obtain an HD-1 Tip/Ring interface cord, contact
Viking Electronics Technical Support at: 715-386-8666 (part number: 260597, $5.00 each).
REMOTE TOUCH TONE
RELAY CONTROLLER
VIKING
©
MODEL RC-2A
POWER 12V DC
RELAY
CONTACT
S
PROGRA
MMING
SWITCH
ES
ENTRY CODE
N.O.
N.C.
COM
123 12345678
EARTH
GND
PWR IN/OUT
12-24V AC/DC
LINE IN
VIKING
ELECTRONICS
HUDSON, WI 54016
C C
1234567
ON
S1 S2 S3
0
1
2
3
4
5
6
7
8
9
A
B
C
D
E
F
0
1
2
3
4
5
6
7
8
9
A
B
C
D
E
F
0
1
2
3
4
5
6
7
8
9
A
B
C
D
E
F
123
456
789
0#
HANDSET DIALER
Model HD-1
Battery OK
VIKING©
J3
J4
9V Battery
J3 Talk Battery Interface
Connector
J4 13.8V AC
Connection
for Optional PS-1A
Internal View of the HD-1
Model RC-2A or RC-3
Relay Controllers
Replaceable 9V
Alkaline Battery
C. Talk Battery Interface
With the optional PS-1A installed, the HD-1 is capable of supplying its own 24VDC Talk Battery to be used in conjunction with the
model RC-2A or RC-3 to create a stand alone door/gate security keypad control. This application will require the use of the HD-1
Tip/Ring interface cord and installation of the optional PS-1A. To obtain an HD-1 Tip/Ring interface cord, contact Viking Electronics
Technical Support at: 715-386-8666. To obtain a PS-1A power adapter, go to www.vikingelectronics.com and click on “Spare Parts”.
Step 1. Follow steps 1-3 as shown in section B above.
Step 2. Connect the Tip/Ring interface cord to J3. Note: Connector position 1 to pin 1 of J3. Slide the modular Tip/Ring jack
into place.
Step 3. Connect the PS-1A (13.8V AC adapter) to J4.
Step 4. Remove the 9V battery and discard.
Step 5. Re-assemble the HD-1.
Note: The Wiring Protocol Switch has no effect in the Talk Battery Interface mode.
For more information on the RC-2A,
retrieve Fax Back Document 160. For
more information on the RC-3, retrieve
Fax Back Document 165.