Instruction manual

DCI1 • 26
DCI1 DTMF CONTROLLER INTERFACE SPECIFICATIONS
Here are few of the commonly requested specifications for the DCI1:
J1, 2, 3, and 4 Relay Outputs
- Contact Rating: 5 A, 120 VAC / 28 VDC (Resistive)
- Rated Contact Current: 5 A
- Max. Contact Capacity: 1250VA AC, 150W DC
- Contact Arrangement: SPST-NO
- Contact Material: AG Alloy
- Note: Not intended for heavily inductive loads such as large motors.
J5 Power Input
- Input working voltage range: 12 - 15 VDC
- Max DCI1 current draw is between 200 - 250 mA.
J6 DTMF Audio Input
- Signal Level = -29 to 1 dBm
- Dial Tone Tolerance = 10 dB
- Noise Tolerance = -12 dB
- Third Tone Tolerance = -16 dB
- Frequency Deviation Acceptance = +- 1.5%
Miscellaneous Information
- PCB Dimensions: 4.7” L x 4” W (max component height: 0.9”)
CONCLUSION
We sincerely hope that you enjoy the use of this Ramsey product. As always,
we have tried to compose our manual in the easiest, most user-friendly format
that is possible. As our customers, we value your opinions, comments, and
additions that you would like to see in future publications. Please submit
comments or ideas to:
Ramsey Electronics Inc.
Attn. Hobby Kit Department
590 Fishers Station Drive
Victor, NY 14564
Please also feel free to visit our Website at www.ramseykits.com and offer
your observations to other kit enthusiasts as well.
And once again, thanks from the folks here at Ramsey!