Depicted above is a NetLink communications board with an RJ-45 port.
- The communications board is always in slot #3.
- Transmits and receives data from the computer.
- Decodes test instructions.
- Older systems use an IEEE 1284 EPP parallel port connection.
- New systems use RJ-45 Ethernet connection.
Source: NETS User Manual, Revision D, document 132-06035-0006, section 10.2.3.