Xerox FS 5250 用户手册
Operation
Xerox FS 5250, User’s Guide
Xerox FS 5250, User’s Guide
- 25 -
7. Operation of the Xerox FS 5250
The Xerox FS 5250 top panel has been designed to register the operation of
the box via the four following indicator LEDs :
the box via the four following indicator LEDs :
•
CU (contact to control unit)
•
PAR (parallel input)
•
SER (serial input)
•
READY (printer)
7.1. Top Panel of the Xerox FS 5250
7.1.1 CU
The CU indicator has 3 states which signal the following:
State
Indication
ON
Contact with the control unit.
OFF
No contact of the control unit, or the contact
has been broken for more than 1 minute
has been broken for more than 1 minute
7.1.2 PAR (Parallel input)
The indicator LED has 2 states:
State
Indication
ON
Indicates that the box is processing data from the
Centronics parallel port
Centronics parallel port
OFF
Indicates that the box is idle or processing data from
the twinax/RS232 inputs
the twinax/RS232 inputs