MODEL 1201B/C SETUP GUIDE
Connector
Jumper
Data Out
IRIG-B
RS-485
JMP2
A*
B
* Default Setting
Table 2: RS-485 Output Signal Selection
Connector
Jumper
Out-of-Lock
Programmable Pulse
Relay
JMP2
A*
B
* Default Setting
Table 3: Relay Signal Selection
Connector
Jumper
RS-232
Port 1
Port 2
Port 3
Option Header
Event Input
JMP4
A
B
C
D
E*
* Default Setting
Table 4: Event Input Source Selection
Installing GNSS Antenna
The GNSS antenna included with the clock is designed to be threaded onto a piece of 3/4 inch pipe nipple.
Make sure that the antenna has a clear view of the sky in all directions of the compass for best GNSS
satellite tracking.
GNSS Antenna
3/4 inch Pipe Nipple
Operate LED
Mounting Point
Antenna Cable
Figure 2: Antenna Mounting Assembly
1. Pass the antenna cable through the pipe nipple and attach the cable to the antenna.
Tighten by
hand, spinning the cable connector. DO NOT spin the antenna onto the cable or DAMAGE may
occur
.
2. Thread the pipe nipple into the base of the antenna and snug by hand.
3. Mount the pipe nipple to a fixture, such as our Antenna Mounting Kit.
4. Install GNSS Surge Protector or In-Line Preamplifier if needed. Reference their respective instruc-
tions.
5. Connect the antenna cable to the clock.
Arbiter Systems, Inc.
·
1324 Vendels Circle, Suite 121
·
Paso Robles, CA 93446
·
USA
·
Tel: +1.805.237.3831
2
Fax: +1.805.238.5717
·
E-mail: [email protected]
·
Internet: http://www.arbiter.com
