3022

3022 is the ND-500 interface.

Introduction
ND-500 interface. You may connect a maximum of 5 ND-500 computers to one ND-100. Each ND-500 requires one ND-500 interface in the ND-100 computer.

Switches and indicators
This card has one thumbwheel switch, which sets the device number. The first interface card must have the thumbwheel set to 0, the second to 1, and so on. Device number and device addresses are in octal. Thumbwheel setting 5-15 are not valid.
 * 0 - device number  60 - device register address range     60-77 - ident number 16
 * 1 - device number 1060 - device register address range 1060-1077 - ident number 116
 * 2 - device number 660 - device register address range   660-677 - ident number 36
 * 3 - device number 760 - device register address range   760-777 - ident number 114
 * 4 - device number 560 - device register address range   560-577 - ident number 76

Connectors
The A and B connectors are used for I/O, the C connector is used for the ND-100 Bus. This card doesn't have a B connector.

I/O Devices on the card
none?