Xerox FS 5250 用户手册
Operation
Xerox FS 5250, User’s Guide
Xerox FS 5250, User’s Guide
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7.1.3 SER (Serial input/output)
The indicator LED has 3 states
State
Indication
ON
Indicates that the box is processing data from the RS-
232 Serial input
232 Serial input
BLINKING
Indicates that the box has defined the RS-232 as
output for the box.
output for the box.
OFF
Indicates that the box is idle or is processing data from
the twinax/Centronics inputs.
the twinax/Centronics inputs.
7.1.4 READY (Printer Ready)
The indicator LED has 2 states:
State
Indication
ON
Indicates that the connected printer is ready; i.e. that
printer's "Select" condition is active and the "PE"
signal is inactive. If the connected printer is an RS 232
printer, the ready validation is done by the "DTR"
signal.
printer's "Select" condition is active and the "PE"
signal is inactive. If the connected printer is an RS 232
printer, the ready validation is done by the "DTR"
signal.
BLINKING
The printer is not ready and print may be pending
in the buffer.
in the buffer.
OFF
Indicates that the connected printer is not ready for
data input.
data input.