Toshiba AS311 - Manual (Page 54)

52
ASCII Interface Module (AS311)
6. RAS Information
6.1 LED indication
On the AS311, five status LEDs are provided as follows. These LEDs are useful to
check the AS311 operation status and the communication status.
RUN
TX1
RX1
TX2
RX2
RUN Indicates the AS311 operation status.
Lit when the AS311 is in ready state.
Not lit when the AS311 is in error or under initialization.
TX1 Indicates the channel 1 communication status.
Lit while some data is transmitting from the AS311.
RX1 Indicates the channel 1 communication status.
Lit while some data is receiving into the AS311.
TX2 Indicates the channel 2 communication status.
Lit while some data is transmitting from the AS311.
RX2 Indicates the channel 2 communication status.
Lit while some data is receiving into the AS311.