X-Rite 891, Operation Manual, Page: 76 / 80

A P P E N D I X E
E-2
COMPUTER UPDATE PROCEDURE
The following items are required to perform a instrument firmware update
using a PC serial port.
•
Computer with an available serial port
•
Instrument with AC adapter
•
Update firmware disk
•
Interface cable (P/N SE108-21-01) and Null Modem adapter
(P/N SE108-DB25FN-01)
NOTE: Computer screen savers must be disabled during
the update procedure. Once the update has been started,
the old firmware version is permanently erased.
Step 1 Cabling Connection Procedure
•
Insert the modular end of the interface cable into the I/O port on the instrument.
•
Insert the DB25 adapter end of the interface cable into one end of the null
modem adapter.
•
Attach the null modem adapter to an available “RS-232” I/O port on the
computer.
Step 2 Setting Instrument to Receive Update
•
Apply AC power to the instrument.
NOTE: Make sure the modem baud is set to "57.6K." Press netwk key on p5
menu. Press cfg key, mod key, and baud key. Edit baud if required. Refer to
Section Two in the 891/892 Networking Installation and Operation Manual for
additional information.
•
Enter the Network Menu by pressing key ll (netwk) on page 5 (p5) Function
Menu .
Instrument
I/O Serial Port
Modular End
Interface Cable P/N SE108-21-01
DB25 Adapter
Null Modem
P/N SE108-DB25FN-01
To RS-232
Port