Interfaces of the ACU
4-4 Chapter 4: Interfaces 98-148248-C
4.1.6 RS-232 and RS-422 connectors
The ACU has an RS-232 and RS-422 connector. They are used for GX modem control).
Outline (on the ACU) Pin Pin function
1 Not connected
2RXD
3TXD
4DTR
5Ground
6DSR
7RTS
8CTS
9 Receive Signal Strength Indicator
Table 4-5: RS-232 connector, male, outline and pin assignment, ACU
Outline (on the ACU) Pin Pin function
1Ground
2Line A RXD (+)
3Line B TXD (+)
4Ground
5Ground
6 Not connected
7Line A RXD (-)
8Line B TXD (-)
9 Not connected
Table 4-6: RS-422 connector, male, outline and pin assignment, ACU