Installation manual

14
Valcom, Inc.
5614 Hollins Road
Roanoke, VA 24019
540-563-2000 P.
540-362-9800 F.
www.valcom.com
Inputs – GPS Installation
GPS Antenna Installation
Supplied by Valcom: GPS Dome, 75’ length of RG58 cabling (optional 150’ length of RG59 cabling upon request) (refer to Figure 1.1)
Not supplied by Valcom: Steel or PVC piping with 1”-14” thread or 3/4” pipe thread, teflon tape, mounting plate and hardware for piping (refer to
Figure 1.1)
*NOTE: Placement of antenna and height of piping needs to be on the rooftop of the building
1) Route cabling from the room in which the master clock will be located to the roof of the building, allowing the GPS dome (refer to Figure 1.1) to
have a full 180 degrees view of the sky
2) Run cabling through piping and attach the end of the cabling to the bottom of the GPS dome via TNC connection.
3) Screw GPS dome onto the top of the piping. Be careful not to twist the cable. Use teflon tape on the pipe threads to tighten seal and prevent
water damage.
4) Mount piping to the roof of the building with mounting plate and hardwear supplied by the user.
5) Connect the RG58 or 59 cabling to the GPS input located on the back of the master clock via SMA connection.
Setting Master Clock to GPS Mode
Programming through the V-WMCA push buttons - Refer to page 19 for setting your master clock’s time source to GPS from the LCD display.
Programming through the Web Interface - Refer to page 28 for setting your master clock’s time source to GPS from the web interface.
Fig 1.1
GPS Dome
Piping
Mounting Plate
TNC Connection
SMA Connection