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25
ASYNC 232
↔
422/530 CARD
Once you have configured each Async 232
↔
422/530 Card and connected
the cables, you are ready to operate the units.
5.1 LED Status Monitors
The Async 232
↔
422/530 Card features 13 front-panel LEDs that indicate
the condition of the modem and communication link. Figure 5-1 shows
the positions of the LEDs.
Figure 5-1. The Async 232
↔
422/530 Card front panel,
showing LED positions.
UNIT
A
UNIT
B
Power
RD
CD
TD
RD
CD
TD
5. Operation