Interfaces of the ACU
4-4
Chapter 4: Interfaces
98-166784-A
4.1.7
LAN1 – 4 connectors
The ACU has four Ethernet connectors (type RJ45). The Ethernet interface is defined by
IEEE802-3 for operation in 10Base-T and 100Base-TX modes with the exception of the
connector type. Cabling for Ethernet connectivity must meet ANSI/TIA/EIA-568-A. The
maximum cable length per connection is 100 m. The Ethernet cable type must be CAT5,
shielded.
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
