SCUv5 Communications Setup
Seanet SCU v5
0581-SOM-00002-02
Tritech International Ltd.
Page 30 of 35
chosen serial standard, RS232, RS422 or RS485 will depend on the sensor in use -
note that only port B can use RS422.
SeaKing Sensors Through TTL to ARCNET Modem
This is only applicable to systems operating with the Tritech International Ltd TTL
to ARCNET interface PCB or alternative such as the Subsea 7 “Eagle Eye” PCB.
Connection to the SCU should be made through the DA-15 connector, wired as
below. TTL signals are isolated on the V5 Seanet SCU.
ARCNET
SCU DA-15 female connector
Pin
Connection
Pin
Connection
1
nc
9
nc
2
Ground
10
nc
3
nc
11
nc
4
LAN.Rx
12
nc
5
nc
13
nc
6
nc
14
LAN.Tx
7
nc
15
nc
8
nc
nc = not connected
