Operator Manual
Issue 1
TIL – Eng – Spec – 080
Page 19 of 70
SeaHub
4.2.3. SeaHub Serial Port Functions
The SeaHub module will always install six serial ports when connected correctly to the PC. As mentioned
earlier, the operating system will allocate COM port numbers to these ports, and depending on the
system setup these numbers may vary.
However, the block of six SeaHub ports will always be installed sequentially in the following order…
SeaHub Port Functions
COM Port
Number
Example
(see previous
example)
Function
Base + 0
COM9
SeaHub Port A
These four ports will return serial data
from devices connected to respective
ports on the rear of the SeaHub, that
use RS232, RS422 or RS485
hardware modes. Ports C & D can
additionally be configured for ArcNet
device connections.
These devices may be Tritech
“SeaNet” compatible devices, or other
serial peripherals (i.e. GPS, Compass,
Modem etc.)
These ports must be configured in
Seanet, for the SeaHub and ArcNet
devices to operate correctly – see
section 4.3 below.
Base + 1
COM10
SeaHub Port B
Base + 2
COM11
SeaHub Port C
Base + 3
COM12
SeaHub Port D
Base + 4
COM13
SeaHub System Connection
This port returns “SeaNet” formatted
messages from devices connected to
Ports C & D, and the “AIF ArcNet”
connector, which use the ArcNet
hardware mode.
Additionally, RAT messages and
system control information to the
SeaHub, is sent via this port
This port must be configured in
Seanet, for the SeaHub and ArcNet
devices to operate correctly – see
section 4.3 below.
Base + 5
COM14
SeaHub Auxiliary Reserved Port
This auxiliary port is reserved for
future use by SeaHub expansion
modules.
This port does not need to be
configured in Seanet, for general
SeaHub operation.
