Specifications

BATS AND PORTABLE BATS INSTALLATION
2-36
OPTIONAL INTERFACE INTER-CONNECTS
2.3.4 PORTABLE BATS – COM#1 CABLE WIRING (GPS TIME)
The COM#1 input port is only used for inputting the GPS sentences into the BATS to synchronize
the GPS time to the BATS time. An Interface Cable is provided, 4450CA0044, to allow connection
to the systems three comports. Install a 9-pin (F) cable from the COM1 port of the 4450CA0044
COMS Cable and the GPS RS232 output. (GPS connector type may vary between manufacturers,
refer to the GPS manual for pin outs to determine if a null modem is required). See Figure 1-6 for
side panel connectors. Refer to section 3 to configure BATS for GPS time sync. See Figure 2-20 for
Serial Cable Assembly.
2.3.5 PORTABLE BATS - COM#2 COMPASS NMEA INPUT
(Cable Wiring; 9-PIN MALE `D' CONNECTOR, Figure 2-20, 4450CA0044)
The Portable Transceiver (Model 4461A) COM #2 Input port is wired the same as a PC ("DTE", Data
Terminal Equipment). It is used for the input of NMEA compass data. See Figure below for wiring.
See section 3 for NMEA formats accepted. May require a Null Modem depending on the Compass
wiring.