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
ƒ Power: 120VAC/13.8VAC 1.25Amp, UL listed adaptor provided.
ƒ Dimensions: 210mm x 159mm x 45mm (8.25” x 6.25” x 1.75”)
ƒ Shipping Weight: 1.5 kg (3.2 lbs)
ƒ Environmental: 0C to 32C (32F to 90F) with 5% to 95% non-condensing humidity.
ƒ Ring Output: 8 REN, capable of ringing (16) 0.5 REN phones
ƒ REN: 0.1A
ƒ Relay Contacts: 5A @ 30VDC/250VAC
ƒ Connections: (30) cage clamp screw terminals
ƒ Talk Battery: 40 VDC
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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,
LINE OUT TO PHONES.
Step 1.
Step 2.
Step 3.
Step 4.
Step 5.
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.
Move DIP switch 2 from OFF to ON (Security Code Bypass Mode, see DIP
Switch Programming section D).
Step 1.
Come off-hook with any house phone connected to terminals 4 & 5, LINE
OUT TO PHONES
Step 2.
Step 3.
Step 4.
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.
Step 5.
3. Accessing the Programming Mode Remotely
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).
Step 1.
Step 2.
Step 3.
Step 4.
Step 5.
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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B. Quick Programming Features
Memory
Enter Digits
- then - Location
Privacy Number (factory disabled)
Entry phone 1 keyless entry codes (factory disabled)
* Entry phone 1 one time use keyless entry codes (factory disabled)
Entry phone 2 keyless entry codes (factory disabled)
* Entry phone 2 one time use keyless entry codes (factory disabled)
Entry phone 3 keyless entry codes (factory disabled)
* Entry phone 3 one time use keyless entry codes (factory disabled)
Entry phone 4 keyless entry codes (factory disabled)
* Entry phone 4 one time use keyless entry codes (factory disabled)
Master keyless entry codes (factory disabled)
* Master one time use keyless entry codes (factory disabled)
Doorstrike 1 activation time (.5 - 99 secs, factory set to 00 = .5 secs)
Doorstrike 2 activation time (.5 - 99 secs, factory set to 00 = .5 secs)
Doorstrike 3 activation time (.5 - 99 secs, factory set to 00 = .5 secs)
Doorstrike 4 activation time (.5 - 99 secs, factory set to 00 = .5 secs)
0-6 digits (0-9)
4-6 digits (0-9)
4-6 digits (0-9)
4-6 digits (0-9)
4-6 digits (0-9)
4-6 digits (0-9)
4-6 digits (0-9)
4-6 digits (0-9)
4-6 digits (0-9)
4-6 digits (0-9)
4-6 digits (0-9)
2 digits (00-99)
2 digits (00-99)
2 digits (00-99)
2 digits (00-99)
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
#00
#11 - #16
*#11 - *#16
#21 - #26
*#21 - *#26
#31 - #36
*#31 - *#36
#41 - #46
*#41 - *#46
#51 - #56
*#51 - *#56
#19
#29
#39
#49
** Auxiliary Contacts:
Auxiliary contact timing (.5 - 99 secs, factory set to 00 = .5 secs, DIP
switch 1 off)
2 digits (00-99)
+
#59
1. Entry phone triggered timed activation (factory setting, DIP switch 1
off)
1
2
3
4
+
+
+
+
+
+
+
+
#60
#60
#60
#60
#61
#62
#62
#47
2. Entry phone triggered continuous activation
3. Entry phone triggered ring cadence activation
4. Auxiliary input triggered timed activation
Maximum entry phone ring count (1 - 99 rings, factory set to 5 rings)
Enable entry phone ringing (factory setting)
*** Disable entry phone ringing
2 digits (01-99)
1
0
Security code (factory set 845464)
6 digits (0-9)
Enable entry phone Caller ID (factory setting)
Disable entry phone Caller ID
Entry phone calls give custom double ring cadence (factory setting)
Entry phone calls give standard ring cadence
*1
*2
*3
*4
*5
Dial “9” to access an outside line
Instant outside line access (factory setting, for use with private dial
tone)
*6
Enable doorstrike latching commands (factory setting)
Disable doorstrike latching commands
*7
*8
Enable entry phone identifier beeps (factory setting)
Disable entry phone identifier beeps
*9
*0
Reset all programming to factory default settings
###
* Note: A keyless entry code can be programmed for EITHER an unlimited number of uses or one
time use, NOT both. There can be a maximum of 6 keyless entry codes and/or one time use keyless
entry codes per entrance.
** Note: Auxiliary contact programming is only to be used if the DCH4 is in the Auxiliary Contact
Mode (DIP switch 1 OFF), see DIP Switch Programming section D.
*** Note: Only entry phone call waiting Caller ID will function in this mode, standard entry phone
Caller ID will not.
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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:
The security code must be six digits in length and can NOT contain a * or #.
D. DIP Switch Programming
SWITCH
POSITION DESCRIPTION
1
1
2
2
3
3
4
4
OFF
ON
Auxiliary Contact Mode.
Doorbell Mode (Factory setting).
OFF
ON
Normal Operation Mode (Factory setting).
Security Code Bypass Mode.
OFF
ON
Entry Phone automatic disconnect (CPC) disabled.
Entry Phone automatic disconnect (CPC) enabled
(Factory setting).
OFF
ON
Entry Phone busy signal disabled.
Entry Phone busy signal enabled (Factory setting).
E. Privacy Number
The “Privacy Number” is factory disabled so an entry phone off-hook will automatically ring the house
phones. If a “Privacy Number” is programmed, the visitor must Touch Tone dial the number to be able
to call into the house. The “Privacy Number” may be from 1 to 6 digits and is stored in location “#00”.
To disable the “Privacy Number,” clear the number’s memory location by entering “#00” without any
previous digits.
F. Keyless Entry Codes and One Time Use Keyless Entry Codes
Each entry phone may have a combination of up to 6 keyless entry codes or one time use keyless
entry codes for Touch Tone keyless entry. The keyless entry codes may be from 4 to 6 digits in length
and are stored in locations #11 - #16 for entry phone 1, #21 - #26 for entry phone 2, #31 - #36 for
entry phone 3, and #41 - #46 for entry phone 4. Up to 6 master keyless entry codes may be from 4 to
6 digits in length and are stored in locations #51 - #56. The master keyless entry codes can be used
at any entry phone. To change any of the keyless entry codes to one time use, insert a * in front of
the specific memory location during programming (ie: “*#11”). To clear any keyless entry codes,
simply enter the location number (ie: “#11” or “*#11”) without any previous digits.
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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 house phone and entry phone, indicating the door strike relay
has been activated and visitors can now open the door.
H. Caller ID
The DCH4 is factory set to send “Caller ID” and “Call Waiting Caller ID” information from the entry
phones. If “Caller ID” is not required, enter “*2” while in programming to disable the DCH4 from
sending “Caller ID” and “Call Waiting Caller ID” data to the house phones. Enter “*1” to enable “Caller
ID” and “Call Waiting Caller ID” data (see Operation section A).
I. Entry Phone Ring Cadence
Entry phone calls are factory set to ring the house phones in a custom double ring cadence (.7
seconds on/.3 seconds off/.7 seconds on then 4 seconds off between rings), “*3”. The DCH4 can be
programmed to give a standard ring cadence for entry phone calls (2 seconds of ring, and 4 seconds
off between rings), enter “*4” when in programming. Entry phone ringing can also be disabled
by entering “0#62”. This is useful when connecting the DCH4 to the DPC100 to provide unique front
and back door chimes.
J. Outside Line Access
1. Dial “9” to Access the Outside Line - To program the DCH4 for C.O. dial tone, enter “*5” while
programming. To gain access to C.O. dial tone, dial a Touch Tone “9”.
2. Instant Outside Line Access (factory default) - To program the DCH4 for private dial tone, enter
“*6” while programming. House phones will instantly have the outside line dial tone on an off-hook.
K. Maximum Entry Phone Ring Count
The number of times an entry phone call will ring the house phones can be limited in programming.
The programmable maximum ring count must be 2 digits and is stored in location “#61”. The
maximum ring count is programmable from 1 - 99 and factory set to (05) 5 rings.
L. Doorbell Switch Input and Auxiliary Contact Output
1. Doorbell Mode (DIP Switch 1 ON - factory setting)
With the DCH4 in the doorbell mode (DIP switch 1 ON), a normally open switch (SPST 6-16V lighted
or non-lighted doorbell button, etc.) can be connected to terminals 26 and 27 (DOORBELL SWITCH /
AUX INPUT). This switch should be located near entry phone 1. Door chime power (normally
connected to a doorbell button) can be routed through terminals 28 and 29 (N.O. AUX CONTACT
OUTPUT). A momentary closure on the DCH4 input terminals will momentarily activate the AUX
CONTACT OUTPUT terminals for the same duration, activating your door chime. Entry phone 1 will
be called, automatically answer (see the Technical Practice for your entry phone) and begin ringing
the house phones (terminals 4 and 5 LINE OUT TO PHONES). The house phones can then be
answered, doorstrike commands entered, etc. (see Operation sections A-E).
Notes: Entry phone 1 ringing the house phones can be disabled in this doorbell mode, if it is
desirable to have the doorbell chime but not the house phones ring. This option can only be used if
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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 contact mode (DIP switch 1 OFF), the auxiliary contact output can be
programmed (see Programming section B) to activate in 3 different patterns when entry phones 1-4
are off-hook. These patterns include a momentary activation, a continuous activation while the entry
phone is in use, and a ring cadence pattern. A fourth programmed setting is also available for a timed
activation of the auxiliary relay from a contact closure.
2. Auxiliary Contact Mode (DIP Switch 1 OFF)
a. Entry Phone Triggered Timed Activation (0.5 second factory default with DIP switch 1
OFF) With the entry phone triggered timed activation programmed (1 followed by #60), when
any entry phone is activated, the auxiliary contacts will activate for the programmed time (0.5 -
99 seconds) in memory location #59 (see section M below).
b. Entry Phone Triggered Continuous Activation
With the entry phone triggered continuous activation programmed (2 followed by #60), when
any entry phone is activated, the auxiliary contacts will activate continuously (latch) until the
entry phone disconnects. This is ideal for controlling video cameras, lights, etc. In this mode
only, when a house phone has dialed a monitor command (#1, #2, #3 or #4) to connect to an
entry phone, the DCH4 will latch the auxiliary relay during the “monitor” once the entry phone
answers (so a camera or light can be activated while monitoring.
c. Entry Phone Triggered Ring Cadence Activation
With the entry phone triggered ring cadence activation programmed (3 followed by #60), when
entry phone 1 is activated, a repeating 1 second on and 3 seconds off auxiliary contact pattern
is generated. When entry phone 2, 3, or 4 is activated, a repeating double burst contact pattern
is generated with 3 seconds off between patterns. The auxiliary contact pattern stops when the
house phone answers the call from the entry phone. This is ideal for controlling visual ring
indicators, or connecting to a model DPC100 for unique front and back door chimes.
d. Auxiliary Input Triggered Timed Activation
With the auxiliary input triggered timed activation programmed (4 followed by #60), a
momentary contact closure on the DOORBELL/AUX INPUT will activate the auxiliary contacts
for the programmed time (0.5 - 99 seconds in memory location #59, see section M below). The
auxiliary contacts may be used to provide an additional relay or may be used to add doorstrike
entry to an entry phone that does not have a Touch Tone keypad. The auxiliary input contacts
may also be used for timed operation of other devices such as yard lights, etc. and can be
triggered by the second set of door entry contacts (available through solder pads on the DCH4
PCB).
M. Auxiliary Contact Timing
To program the length of time the “AUXILIARY CONTACT” is activated when triggered from an entry
phone or the “AUX INPUT”, enter 00 - 99 followed by #59.
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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 Tones “**” to momentarily activate
that entry phone doorstrike and return to the C.O. call or enter “#” to just return to the C.O. call
without activating the doorstrike. If the doorstrike is activated, a buzz sound will be heard confirming
the strike has been activated. If you require the door strike to remain on continuously (ie: a truck
delivery), enter Touch Tones “*1” to continuously activate that relay and return to the C.O. call. A 5
second buzz sound will indicate the door strike relay is latched on. When the visitor calls in again (ie:
they are finished unloading the truck), enter Touch Tones “*0” to deactivate the relay. Alternatively,
the doorstrike relay can be de-activated by going off-hook with any house phone and entering #1*0
for doorstrike relay 1, #2*0 for doorstrike relay 2, etc. See Operation section C. A short buzz will
indicate the door strike relay is off.
Entry Phone
Caller ID and Call Waiting ID
1
2
3
4
“Entry Phone 1”
“Entry Phone 2”
“Entry Phone 3”
“Entry Phone 4”
B. Monitoring
Tenants may dial out to an entry phone that supports auto-answering capability by dialing “#1”, “#2”,
“#3” or “#4” to call entry phones 1-4 respectively.
C. Activating Doorstrike/Gate
You may activate the doorstrike relay without calling out to the entry phone. Refer to the chart at the
right for dialing strings. When you momentarily activate a doorstrike relay, it will activate for the
amount of time specified in Programming, section F. * Note: The latch command can be disabled
(see Programming section B).
Momentarily
Activate
Doorstrike
#1**
* Latch
Doorstrike
#1*1
Un-Latch
Doorstrike
#1*0
Toggle
Doorstrike Relay
#1*#
Entry Relay
1
2
3
4
#2**
#3**
#4**
#2*1
#3*1
#4*1
#2*0
#3*0
#4*0
#2*#
#3*#
#4*#
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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 immediately ring the house
phones. Note: The “Privacy Number” may be programmed with the first 6 digits of the actual
home/office phone number. Visitors may dial the actual 7-digit phone number as if they are making an
actual telephone call to the home/office.
E. Keyless Entry Codes and One Time Use Keyless Entry Codes
Touch Tone keyless entry codes may be used by the tenants to provide keyless entry. Each entry
phone may have up to 6 keyless entry codes. There are also up to 6 master keyless entry codes
which can be used at all four entry locations. If a keyless entry code has been programmed, an off-
hook entry phone is given 4 seconds of dial tone before ringing the house phone. During this time a
Touch Tone “#” + the “keyless entry code” may be entered. A correct keyless entry code will provide
a timed doorstrike activation for that entry phone location. One time use keyless entry codes function
as described above but can only be used ONCE. After the one time use keyless entry code has been
used, it is instantly cleared from the DCH4’s memory. This is ideal for issuing keyless entry codes to
service personnel, etc. Note: A short buzz sound indicates when the relay has been activated and the
visitor can now open the door.
F. Operation Commands
Touch Tone Commands
Activate doorstrike relay
* *
* 1
* 0
* #
#
# 1
# 2
# 3
# 4
Continuously activate (latch) doorstrike relay
Continuously de-activate (unlatch) doorstrike relay
Toggle relay from last position
Answer or disconnect an entry phone call
Monitor entry phone 1
Monitor entry phone 2
Monitor entry phone 3
Monitor entry phone 4
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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 response to an incoming call. In most but not all areas, the sum of
the REN's should not exceed five (5.0) To be certain of the number of devices that may be connected to a line, as
determined by the total REN's, contact the local telephone company. For products approved after July 23, 2001, the REN
for this product is part of the product identifier that has the format US:AAAEQ##TXXXX. The digits represented by ## are
the REN without a decimal point (e.g., 03 is a REN of 0.3). For earlier products, the REN is separately shown on the label.
The plug used to connect this equipment to the premises wiring and telephone network must comply with the applicable
FCC Part 68 rules and requirements adopted by the ACTA. If your home has specially wired alarm equipment connected
to the telephone line, ensure the installation of this DCH4 does not disable your alarm equipment. If you have questions
about what will disable alarm equipment, consult your telephone company or a qualified installer. If the DCH4 causes
harm to the telephone network, the telephone company will notify you in advance that –temporary discontinuance of
service may be required. But if advance notice isn't practical, the telephone company will notify the customer as soon as
possible. Also, you will be advised of your right to file a complaint with the FCC if you believe it is necessary.
The telephone company may make changes in its facilities, equipment, operations, or procedures that could affect the
operation of the equipment. If this happens, the telephone company will provide advance notice in order for you to make
the necessary modifications to maintain uninterrupted service. If trouble is experienced with the DCH4 for repair or
warranty information, please contact:
XANTECH CORPORATION, 13100 TELFAIR AVE. SYLMAR, CA 91342 (818) 362-0353
If the equipment is causing harm to the telephone network, the telephone company may request that you disconnect the
equipment until the problem is resolved. Connection to Party Line Service is subject to State Tariffs. Contact the state
public utility commission, public service commission or corporation commission for information.
WHEN PROGRAMMING EMERGENCY NUMBERS AND (OR) MAKING TEST CALLS TO EMERGENCY NUMBERS:
Remain on the line and briefly explain to the dispatcher the reason for the call. Perform such activities in the off-peak
hours, such as early morning or late evenings. It is recommended that the customer install an AC surge arrester in the AC
outlet to which this device is connected. This is to avoid damaging the equipment caused by local lightning strikes and
other electrical surges.
PART 15 LIMITATIONS
This equipment has been tested and found to comply with the limits for a Class A digital device, pursuant to Part
15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference when the
equipment is operated in a commercial environment. This equipment generates, uses, and can radiate radio frequency
energy and, if not installed and used in accordance with the instruction manual, may cause harmful interference to radio
communications. Operation of this equipment in a residential area is likely to cause harmful interference in which case the
user will be required to correct the interference at his own expense.
Xantech Corporation
13100 Telfair Avenue, 2/F
Sylmar, CA 91342
Installation Instructions, DPC100
© 2007 Xantech Corporation, Document #08905107C
This document is copyright protected. No part of this manual may be copied or reproduced in any form without prior written consent from Xantech
Corporation.
Xantech Corporation shall not be liable for operational, technical, or editorial errors/omissions made in this document.
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