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INSTALLATION INSTRUCTIONS
DCH4
Doorbell Communicator Hub
DESCRIPTION
The DCH4 is a Doorbell Communicator Hub that provides keyless entry control with the MRC88CTL.
The DCH4 has the ability to answer and open up to 4 doors or gates from the nearest phone. When
combined with the DPC100 and MRC88CTL, the DCH4 can provide 2 different door chimes and
whole-house paging.
SPECIFICATIONS
Power: 120VAC/13.8VAC 1.25Amp, UL listed adaptor provided.
Dimensions: 210mm x 159mm x 45mm (
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1. Power supply connection. Be sure to use the included power supply only. 2. C.O. / Phone Line Input. If installing without a C.O. line, “*5” must be programmed. 3. Entry Phone Input. 4. Line Out to Phones. Can be connected to an unused line / trunk input on a phone system. 5. Door Strike, Relay Contact Output. N.O., COM, N.O. 6. Doorbell Switch / Auxiliary Input. Connect to a doorbell switch (lighted or non-lighted) momentary SPST 6-16V bulb. Note: Unit must be in Doorbell Mode (DIP
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PROGRAMMING A. Accessing Programming 1. Accessing the Programming Mode with a Security Code Come off-hook with any house phone (device) connected to terminals 4 & 5, Step 1. LINE OUT TO PHONES. Step 2. Enter *# followed by the 6-digit security code (factory set to 845464). Step 3. A double beep will indicate that you have accessed the programming mode. Step 4. You can now Touch Tone program the features listed in section B below. Step 5. When finished programming, hang up. 2. A
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B. Quick Programming Features Memory Enter Digits - then - Location Privacy Number (factory disabled) 0-6 digits (0-9) + #00 Entry phone 1 keyless entry codes (factory disabled) 4-6 digits (0-9) + #11 - #16 * Entry phone 1 one time use keyless entry codes (factory disabled) 4-6 digits (0-9) + *#11 - *#16 Entry phone 2 keyless entry codes (factory disabled) 4-6 digits (0-9) + #21 - #26 * Entry phone 2 one time use keyless entry codes (factory disabled) 4-6 digits (0-9) + *#21 - *#26
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C. Security Code This six digit number can be used to access the programming mode. The security code has been factory set to 845464. It is recommended that you change the security code to a personal 6 digit number. To change the security code, access programming (see Programming section A). Enter six digits 0-9 followed by #47. If you have forgotten your security code, follow the steps in Programming section A, 2. Accessing the Programming Mode Locally (Security Code Bypass Mode). Note:
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G. Door Strike Activation Time A single pole double throw relay is available for each entry phone (a second set of contacts are available on solder pads only), and each may be programmed with its own “doorstrike” activation time (programmed in seconds). Each time must be 2 digits (Example: 00 = 1/2 sec.) and is stored in locations #19, #29, #39 and #49 for relays 1 through 4 respectively. All activation times are factory set to 00 (1/2 sec.) Note: A buzz sound will be heard in the hou
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there is only one entry phone on the DCH4. Program the DCH4 with “0#62 ”(disable entry phone ringing). When the doorbell chimes, picking up a house phone will instantly connect the house phone to the entry phone. If the user presses the doorbell switch again while their call is either ringing the house phones or while talking to the house, the auxiliary relay will activate each time they press the doorbell switch (causing the doorbell to chime again). With the DCH4 in the auxiliary co
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OPERATION A. Visitors When a visitor presses the call button (comes off-hook) on the entry phone, the DCH4 will begin ringing the house phones and “Caller ID” information is sent. If a house phone is on a C.O. call, call waiting tones and “Call Waiting Caller ID” information is sent. A Touch Tone “#” from the house phone will put the C.O. call on hold and connect the house phone to the entry phone (beeps will be heard, indicating which entry phone you are connected to). Enter Touch T
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D. Privacy Number The privacy number feature is useful for preventing unwanted (prank) entry phone calls from visitors. If a privacy number has been programmed, an off hook entry phone is given 4 seconds of dial tone to allow the visitor to enter the privacy number. If the visitor enters the correct privacy number, the DCH4 will ring the house phones. If they enter an incorrect number, they will be disconnected. If a privacy number is not programmed, then an off-hook entry phone will im
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FCC REQUIREMENTS This equipment complies with Part 68 of the FCC rules and the requirements adopted by the ACTA. On the side of this equipment is a label that contains, among other information, a product identifier in the format US:AAAEQ##TXXXX. If requested, this number must be provided to the telephone company. The REN is used to determine the number of devices that may be connected to a telephone line. Excessive REN's on a telephone line may result in the devices not ringing in respo
