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6
NTP Server Sentinel
®
Installation and Operation Manual
INSTALLATION
“TS-K1A / TS-K1B” Time Sync Relay
DPDT relay connections for use with devices that require contact closures for time
sync. Closures are configured from the web interface.
“GPS RCVR” RJ45 connector
Connect the supplied Garmin GPS18 LVC GPS receiver. The receiver must be
mounted in an area that has a clear, unobstructed view of the sky. If the attached 10-
foot cable isn’t an adequate length, you may attach an additional 100 feet of CAT 5
cable. The receiver is equipped with a metric M3 x 4mm threaded magnetic base,
use this to secure the receiver to a user provided mounting bracket. The receiver
may also be secured with a small strip of Velcro. Do not allow the receiver to sit in
water.
GPS Receiver RJ-45 pin-out:
Pin 1 = No connection
Pin 2 = Ground
Pin 3 = Ground
Pin 4 = GPS Receiver, receive data.
Pin 5 = GPS Receiver transmit data.
Pin 6 = GPS Receiver 1 PPS output.
Pin 7 = No connection
Pin 8 = Reg5 Vdc used to power the Garmin GPS-18 receiver
(100 ma max).
Front Panel Status Indicators
•
Power: Lit when powered up.
•
1PPS: Blinks once per second when receiving valid GPS time data.
•
STC: Flashes when serial time code output is enabled and active.
•
TS-K1: Indicates time sync relay activity.
Please refer to the appendix for connector layouts.