Interfaces of the ACU
98-146706-A
Chapter 4: Interfaces
4-5
Interf
aces
4.1.7
LAN1 – 4 connectors
The ACU has four Ethernet connectors (type RJ45) for connecting to the modem, PC/lap
tops, routers, wireless access points. The maximum cable length per connection is 100 m.
The Ethernet cable type must be CAT5, shielded.
1. Connect an Ethernet cable to Port 1 at the ACU and to the upper leftmost LAN
connector at the modem.
2. Use Port 2 for user WAN (Internet etc.).
3. Connect an Ethernet cable to Port 3 and to the LAN connector on the left side of the
rear panel if you want to use the front LAN connector of the ACU for system control.
4. Use Port 4 (network 3) to connect the SAILOR 900 Ka to the vessel’s LAN
For more details about the LAN networks see
Outline (on the ACU)
Pin
Pin function
1
Ground
2
Line A RXD (+)
3
Line B TXD (-)
4
Ground
5
Ground
6
Not connected
7
Line A RXD (-)
8
Line B TXD (+)
9
Not connected
Table 4-6: RS-422 connector, male, outline and pin assignment, ACU
1
5
6
9
Outline
Pin
Pin function
Wire color
1
Tx+
White/orange
2
Tx-
Orange
3
Rx+
White/green
4
Not connected Blue
5
Not connected White/blue
6
Rx-
Green
7
Not connected White/brown
8
Not connected Brown
Table 4-7: Ethernet connector, outline and pin assignment
SAILOR900Ka-IM-98-146706.book Page 5 Thursday, July 16, 2015 11:07 AM