IAI America PCON-CFA - Manual (Page 282)

5.
Appendix
274
[17] Upon establishment of link, the LEDs on the PLC and controller change their statuses as follows:
LED statuses on PLC LED statuses on Controller
LED Status LED Status
MS Steady green light MS Steady green light
NS Steady green light NS Steady green light
COMM Steady orange light Link/Activity Blinking green light
100M Steady orange light
10M Unlit