Advanced Communication Module - Installation Guide
37
LED
Description
MODEM TX
(Red)
Indicates data transmission via the ACM’s
optional modem.
ON: Data transmission is in process.
OFF: Data transmission is not in process.
STAND ALONE
(Yellow)
Indicates either enabled or disabled local
U/D connection to the ProSYS.
ON: Local U/D is enabled and ACM U/D
channel is disabled.
OFF: Local U/D is disabled and ACM U/D
channel is enabled.
PCMCIA IN
(optional)
(Green)
Indicates presence of PCMCIA card.
PCMCIA READ
(optional)
(Yellow)
Indicates communication between the ACM
and PCMCIA card.
COMM 485
(optional)
(Red)
Indicates communication status via an
optional additional RS485 port.