Installation manual

Valcom, Inc.

5614 Hollins Road

Roanoke, VA 24019

540-563-2000 P.

540-362-9800 F.

www.valcom.com

Table of Contents

V-WMCA Master Clock

V-GPSA

V-GPS-TX

Table of Contents—2

Table of Contents—3

Wall Mount Installation —4

Installing the Master Clock with the Line Cord Receptacle—5

AC Power Wiring using 14 AWG Romex Cable—5

Rear View of Unit—6

Installing the Remote Antenna—6

Remote Antenna Mounting Instructions—7

2 Wire Digital Communication System Connection—8

Sync-Wire Communication System Connection—9

59 Minute Correction—10

58 Minute Corrections 1–4—10

National Time/Rauland—11

Rauland Digital—11

Dukane Digital—12

Once a Day Pulse—12

Fire Alarm Interface Installation—13

Patch Cable Installation—13

GPS Antenna Installation—14

Setting Master Clock to GPS Mode—14

Setting the Time from the LED Display—15

Programming the Master Clock—15

Sync-Wire Communication – Protocol Definitions—21

Error Codes on LED Display—22

Accessing the Web Interface (when connected via DHCP)—23

Accessing the Web Interface (when using a static IP)—23

Accessing the Web Interface (when using a crossover cable)—23

Date/Time—25

System Settings—26

DST—27

Synchronization—28

IP—29

*manuals may change without prior notice