Issue 6
V-VCU
CLOCK CONTROLLER PACKAGE
GENERAL
The Valcom Clock Controller provides 24VDC
power as well as automatic synchronization and
correction to Valcom clocks when used with a
V-DCPI Digital Clock Protocol Interface, a
V-D11025 2.5” Digital Clock, a V-D11040 4.0”
Digital Clock, a V-WMC Wireless Master Clock
Transceiver, a V-GPS GPS Receiver, a VERCA
Remote Card Adapter or a clock output from
another V-CCU.
PACKAGE INCLUDES
1 Valcom V-CCU Clock Controller
1 Valcom 24V Power Supply V-C6124P
1 24V Wiring Harness
1 6-Pin Silver-Satin Cord
1 6-Pin RJ-11 Wiring Block
SPECIFICATIONS
Outputs
Three individual 2 Amp, 24VDC outputs are
provided to power up to 120 Valcom Analog clocks,
36 Valcom 2.5” Digital Clocks or 30 Valcom 4.0”
Digital Clocks.
Inputs
Correction data
24VDC input power
Features
Supports two wire clock operation
Individual current limited 2 Amp outputs
User selectable correction intervals
Data error LED indicators
Power/Data output LED indicators
Dimensions/Weight
2.63”H x 12.36”W x 7.75”D
(6.7cm H x 31.4cm W x 19.7cm D)
7lbs. ( 3.2 kg ) (with power supply)
Power Requirements
The V-CCU requires 24VDC 2 Amps per output
(V-C6124P included).
Environmental
Operating Temperature: -0 to +40° C
Humidity: 0-95% non-precipitating
Wiring Requirements
24AWG UTP, CAT 3/5/5E/6
INSTALLATION
Precautions
Failure to observe the following precautions could
result in damage to the V-CCU.
Make all connections to the V-CCU and
associated equipment with the input power
removed. Check and verify all connections
before applying power.
V-C6124P Mounting Instructions
Locate an area on the wall capable of
supporting the weight of the power supply
(approximately 5 pounds) within six feet of an
AC receptacle.
Using the mounting bracket as a template, mark
the two slotted holes on the mounting surface.
Using the two #8 screws enclosed, mount the
bracket to the mounting surface as shown
(See Figure 1).
Slide the V-C6124P onto the mounting bracket.
V-C6124P Wiring Instruction
Plug the AC cord into the V-C6124P only.
(Do NOT plug into the AC outlet)
Plug the wiring harness packaged with the
V-CCU into the output connector of the
V-C6124P (See Figure 1).
1 947036
2
V-CCU Mounting
Plug the 24V wiring harness from the
V-C6124P into the POWER IN connector of the
V-CCU.
Position the V-CCU directly below the
V-C6124P. Using the 24V wiring harness as a
measure, align the V-CCU under the
V-C6124P where the wiring harness is not
stressed (See Figure 1).
Using the unit as a template, mark the mounting
hole locations on the mounting surface.
Disconnect the wiring harness and mount the
V-CCU to the wall.
V-CCU Wiring
Re-attach the 24V harness to the V-CCU.
Dipswitch functionality requires that 24V be
applied to all three 24V inputs.
Connect the data out from a V-DCPI Digital
Clock Protocol Interface, a V-D11025 2.5”
Digital Clock, a V-D11040 4.0” Digital Clock, a
V-WMC Wireless Master Clock Transceiver, a
V-GPS GPS Receiver, a VERCA Remote Card
Adapter or a clock output from another V-CCU
to the “DATA IN” RJ-11 on the V-CCU. Dress
the wires behind the V-CCU as shown.
NOTE: The V-CCU data input is not polarity
sensitive. See FIGURE 2 for data
connection detail.
Dress the peripheral clocks home run wiring
behind the V-CCU as shown (See Figure 1).
If your system will use more than one
V-CCU, you must connect a common
ground. Simply connect one of the negative
(-) outputs of each V-CCU’s V-C6124P power
supply together.
Connect the home runs to the plug-in terminal
strip provided.
NOTE: Maximum of 2 Amps per Clock output.
Plug the terminal strip into the Clock Output
connector on the V-CCU.
DO NOT APPLY POWER YET! The clock
correction interval must be set prior to
energizing the unit. See Setup and
Programming.
947036
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