Network Time Service GPS-2-E-NTP www.buenoptic.com
4
2 Hardware
The GPS-2-E-NTP timeserver set includes:
•
NTP timeserver unit (rack19 mounted 2U)
•
GPS antenna with 30m. cable and frequency converter with built-in over voltage
protection
•
CD with software utility and PDF manual
Timeserver unit is a multiprocessor system with 1 fast Ethernet 10/100Mbs interface. It is
design and manufactured without ventilators, fens or any other mechanical parts. Metal housing is
an important part of GPS-2-E-NTP cooling system but it is designed on a way that GPS-2-E-NTP
can be located in the neighborhood of any device working inside rack19 mount frame.
The 2 LCDs show GPS communication and timestamp information.
Figure 1: Front panel of GPS-2-E-NTP
BIT: Press it to delete the safe working days number.
DATE: Page up
SHOW: Page down & Return to main menu(Press 3 seconds). Press it to display Date, Work
days number, Longitude, Latitude, The time of switching on the device, Altitude…
POWER LOSS LED: Red light when 110-220V AC power is on, LED off while power off.
GPS LOSS LED: Red light is on while GPS source is off.
PPS LED: Blinks every second
Figure 2: Back panel of GPS-2-E-NTP
LAN connectors contains 4 LEDs: Red indicates cable connection, yellow
one flashes
while data transmission.
On the back panel there is a power connection 110-240V AC, a power connection 24V
DC and GPS antenna rounded connector, 4 RS232-C connectors, a BNC connector for
IRIG-B, a group terminal block for pps, ppm, pph, RS485, RS422(IRIG-B), power loss alarm,
GPS loss alarm.