Xantech DCH4 User Manual

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 (8.25” x 6.25” x 1.75”)
 Shipping Weight: 1.5 kg (3.2 lbs)
 Environmental: 0C to 32C (32F to 90F) with 5% to 95% non-condensing humidity.
 Ring Output: 8 REN, capable of ringing (16) 0.5 REN phones
 REN: 0.1A
 Relay Contacts: 5A @ 30VDC/250VAC
 Connections: (30) cage clamp screw terminals
 Talk Battery: 40 VDC

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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 switch 1 ON). Or
uses as an Auxiliary Input, allowing connection to a momentary SPST switch, keyed switch,
postal lock with limit switch, etc. Note: Unit must be in Auxiliary Contact Mode DIP switch 1
must be off.

7. Auxiliary Relay Contact Output. N.C., COM, N.O.

APPLICATION

Note: DIP switch 2 must be ‘on’ (DPC100), DIP switch 1 must be ‘off’ (DCH4)
Note: To provide unique front and back door chimes, the DCH4 must have the AUXILIARY contact
programmed for “Entry Phone Triggered Rind Cadence Activation” (3#60).
See Programming Section B Quick Programming Features.

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PROGRAMMING
A. Accessing Programming

1. Accessing the Programming Mode with a Security Code

Step 1.
Step 2.

Step 3.
Step 4.
Step 5.

Come off-hook with any house phone (device) connected to terminals 4 & 5,
LINE OUT TO PHONES.

Enter *# followed by the 6-digit security code (factory set to 845464).
A double beep will indicate that you have accessed the programming mode.
You can now Touch Tone program the features listed in section B below.
When finished programming, hang up.

2. Accessing the Programming Mode Locally (Security Code Bypass Mode)

Note: This mode is useful for programming the DCH4 without a telephone line connected.

Step 1.
Step 2.

Step 3.
Step 4.

Step 5.

Move DIP switch 2 from OFF to ON (Security Code Bypass Mode, see DIP
Switch Programming section D).
Come off-hook with any house phone connected to terminals 4 & 5, LINE
OUT TO PHONES

A double beep will indicate that you have accessed the programming mode.
You can now Touch Tone program the features listed in section B below.
When finished programming, hang up and move DIP switch 2 to the OFF
position.

3. Accessing the Programming Mode Remotely

Step 1.
Step 2.
Step 3.

Step 4.
Step 5.

Call into the DCH4 from a Touch Tone phone. Note: Call in from another line
to avoid C.O. busy signals, etc.

Answer the call from any house phone (device) connected to terminals 4 & 5,
LINE OUT TO PHONES.

From either phone enter *# followed by the six digit security code (factory set to 845464, see Programming section C). A double beep will indicate that you have accessed the programming mode. You can now Touch Tone program the features listed in section B below.

Note: Programming from a cell-phone may not be suitable in areas with weak coverage.

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