Brandywine NTA-100, Руководство пользователя

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MANUAL P/N 900000012 REV F
8
2.3 Connections
2.3.1 Power
Insert the power cord of the NTA-100 into an electrical socket to power up the unit. The Power LED
indicator will illuminate green.
2.3.2 Ethernet
Connect one end of an Ethernet cable to the NTA-100 Ethernet port. Connect the other end of the
Ethernet cable to a hub. Both the Link and Speed LED indicators will illuminate green.
2.3.3 Antenna
The NTA-100 can receive time from the GPS through the Antenna BNC connector. To receive time
from the GPS, connect the cable to the NTA-100 Antenna BNC connector.
2.3.4
Ethernet and Antenna Connections Example
2.3.5 Output
Connect the NTA-100 Output port to another serial device such as a display. The RJ-12 connector is
used for the Output port. The RJ-12 connector has two outputs, RS232 and RS422. RS232
transmits data using pin 2, whereas RS422 transmits data ‘A’ using pin 5 and transmits data ‘B’ using
pin 6. Furthermore, one RS232 receiver may be connected to the NTA-100, whereas up to ten
RS422 receivers may be connected (in parallel) to the NTA-100.
NTA-100
Serial Cable
Display
(12:34)
NTA-100
Hub
Network
Time Server
LAN Hub
Example
NTA-100GM with
GPS (server)