Xen Topaz System Hardware Manual
Maintenance - 79
Doc. No. 8846 - Release 1.1
September 2004
S
ECTION
2
M
AIN SOFTWARE
U
PGRADING
2.1 General
The system main software is initially stored in the Flash Memory
located on the PCB of 924M KSU. It can be upgraded by the new
software on the CF (Compact Flash) card.
2.2 Before Upgrading the Main Software
Before upgrading the Main Software, the following preparations are
necessary.
2.3 Main Software Version Confirmation
Prepare the CF Card (8MB, or upwards), and store the new main
software on the CF Card by PC. (New Main Software is supplied by
NEC Business Solutions.)
Prepare the EXIFU-A1 PCB (if the system does not have it).
The main software version is able to confirm by the following operation
at the Display Type Key Telephone.
1. On-Hook Condition.
2. Press OPAC and dial
• The display will automatically return to "Time & Date" after 3 seconds.
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