FEC AFC1500 - Manual (Page 48)

Termination
Termination of the RIO network requires a terminating resistor at each end of
the network. If this is the last module on the network, turn “ON” the
terminating switch located on the interface board.
Master/Slave Communications Type
78 ohm Twinax
Belden #9463 or equivalent Cable
57.6k - 3048 meter
115K - 1524 meter
230K - 762 meter Distance
1/4, 1/2 (Default), 3/4, Full Rack Configuration supported*
up to 240 1/4 racks Nodes
0-59 Rack Addresses
57.6, 115, 230K baud - Selectable Speed
AB Remote I/O Specifications
*Rack Config. set by AFC User Console software. Contact FEC for other
setting.
Clear COM line Pin 3
Shield GND Pin 2
Blue COM line Pin 1
AB Remote I/O connector
Indication LED
Power On ON - Green
Power Off OFF Power
Communication Active ON - Green
No Communication OFF Active
Bus off / Error ON - Red
Normal Operation OFF Error
Status LEDs
Chapter 3: Control Interfaces
48