ACR Electronics AISLink CB2 User Manual page 10

2.2.1 RF Connectors
The VHF antenna should be connected to the SO239 socket.
If the vessel is equipped with a single VHF antenna that is required to be shared between
the CB2 and a VHF Radio Transceiver it is necessary to use an active antenna splitter.
Attempting to connect two transmitting devies to a single antenna without a splitter will
cause severe damage to either or both devices. Install a third party splitter in accordance
with the instructions provided with that unit connecting the CB2 "ANT" connector to the
AIS Input connector on the splitter.
A typical active splitter installation connection is shown in the NMEA2000 example on page
6 of this manual.
When a splitter is installed and the VHF Radio is transmitting, the
!
CB2 is unable to make use of the SOTDMA system and reporting
rates may be longer than those specifi ed for normal operation. For
optimum operation a dedicated VHF antenna is recommended.
The GPS antenna should be connected to the TNC connector.
2.2.2 Power and data connectors
The power and data connections are on the 10-core fl ying lead supplied.
Connect the power cables to the vessels supply via a suitable fast acting fuse.
If you need to extend the length of the power cable, ensure you observe the following:
• The power cable for each unit in your system should be run as a separate,
single length of 2-wire cable from the unit to the vessel's battery or distribu-
tion panel.
• For power cable extensions, it is recommended that a minimum wire gauge
of 16 AWG (1.31 mm2). For cable runs longer than 15 meters, you may need
to consider a thicker wire gauge (e.g. 14 AWG (2.08 mm2),
or 12 AWG (3.31 mm2)).
10
CB2 Manual
Y1-03-0346 Rev. B
3 Amp Fast
Acting Fuse