MODEL 1205B/C & 1206B/C SETUP GUIDE
Unpacking
Carefully check the packing material for these accessories: GNSS antenna, standard antenna cable
assembly, and mounting screws for rack ear removal. Handle the GNSS antenna carefully, as it may
be damaged if dropped.
Installing GNSS Antenna
The GNSS antenna included with the clock is designed to be threaded onto a piece of 3/4 in 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 1: 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.
Connecting Power Cables
• VERIFY that the voltage level is in the correct range.
• VERIFY that the polarity is as specified on the label.
• Strip the insulation 1/4 inch and DO NOT tin.
• A fuse is located to the left of each installed power inlet connector.
Connecting Signal Cables
Strip the insulation 1/4 inch and DO NOT tin.
Arbiter Systems, Inc. · 1324 Vendels Circle, Suite 121 · Paso Robles, CA 93446 · USA · Tel: +1.805.237.3831
Fax: +1.805.238.5717 · E-mail: techsupport@arbiter.com · Internet: http://www.arbiter.com PD0053000C 1
MODEL 1205B/C & 1206B/C SETUP GUIDE
GND
GND GND GND GND GND GND
1 2
3
4
6
5
0 - 5 Vdc
IRIG
B
ANTENNA
STATUS
GNSS
L1
DC+
L2
DC-
GND
100 - 350 Vdc
85 - 264 Vac / 47 - 440 Hz
100 VA MAX
3.15 AT
400 Vdc
500 Vac
!
POWER A
L1
DC+
L2
DC-
GND
100 - 350 Vdc
85 - 264 Vac / 47 - 440 Hz
100 VA MAX
3.15 AT
400 Vdc
500 Vac
!
POWER B
Option
Slot A
Option
Slot B
Option
Slot C
NET 3
NET 2NET 1
PROGRAMMABLE PULSE
OPEN DRAIN
24V | FET | GND
RS-232
PORT1
TxD | RxD | GND
RS-232
PORT2
TxD | RxD | GND
RS-485
A | B
ANALOG
IN
+ | -
EVENT
IN
+ | -
RELAY
COM | NC | NO
Figure 2: Model 1205B/C Rear Panel
GND
GND GND GND GND GND GND
1 2
3
4
6
5
0 - 5 Vdc
IRIG
B
ANTENNA
STATUS
GNSS
L1
DC+
L2
DC-
GND
100 - 350 Vdc
85 - 264 Vac / 47 - 440 Hz
100 VA MAX
3.15 AT
400 Vdc
500 Vac
!
POWER A
L1
DC+
L2
DC-
GND
100 - 350 Vdc
85 - 264 Vac / 47 - 440 Hz
100 VA MAX
3.15 AT
400 Vdc
500 Vac
!
POWER B
Option
Slot A
Option
Slot B
Option
Slot C
NET 3
NET 2NET 1
PROGRAMMABLE PULSE
OPEN DRAIN
24V | FET | GND
RS-232
PORT1
TxD | RxD | GND
RS-232
PORT2
TxD | RxD | GND
RS-485
A | B
ANALOG
IN
+ | -
EVENT
IN
+ | -
RELAY
COM | NC | NO
Figure 3: Model 1206B/C Rear Panel
Modulated IRIG-B
+
Analog Input
Open Drain with 24 Vdc source
24V FET GND
6 Sets of Digital
Output Terminals
1 2
3
4
5 6
A B
RS-485
RS-232
Port 1
RS-232
Port 2
RxDTxD
GND
TxD RxD
GND
Event Input
COM NC NO
Relay
Modulated IRIG-B
1 2
3
4
5 6
+ +
Positive (+)
Ground (GND)
GND
Figure 4: Input/Output Connector
Configuring with Web Interface
1. Connect one of the ports to the network or computer.
• NET 1 is set to the static address 192.168.0.232
• NET 2 and NET 3 are set for DHCP. Find assigned IP address:
– Press SYSTEM until view NETWORK STATUS?
– Press ENTER
– Press UP or DOWN to review the IP and MAC address of each port.
2. Use a web browser (Firefox or Chrome work best). Use the IP address of the port
(http://192.168.0.232). The UI will provide a login screen for entering the username and password.
3. The default username is admin and the default password is password.
Additional Help
The operation manual is available as a free download from www.arbiter.com or to purchase.
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: techsupport@arbiter.com · Internet: http://www.arbiter.com
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