Honeywell Gent Vigilon Plus Manual page 12

Input/Output Card (IOC) – Optional Card for Vigilon Plus 24 or 72
This card provides the panel with 1 x RS232 serial Port and 1 x RS485 Port
DIL switches all set to 'up' (off) position
DKC switches used instead
Software chip
NO INFORMATION
KEPT ON THIS CARD
Rotary switch
alters card type
0 Half duplex
1 Slave
2 Remote Printer
3 Universal, half duplex
4 Ascom pager
5 Domain bridge, full duplex
6 Universal, full duplex