Figure 4-8 Display Of Multiline Telephone (12Txh/24Txh-A1); Figure 4-9 Display Of Multiline Telephone (12Txh/24Txh-B1); Section 2 Main Software Upgrading - NEC SL2100 Hardware Manual

ISSUE 1.0
S 2 MAIN SOFTWARE UPGRADING
ECTION
2.1 General
The main system software is initially stored in the Flash memory located on the CPU-C1 board of the
Main Chassis. It can be upgraded by the new software on the SD card.
2.2 Before Upgrading the Main Software
NEC recommends that a backup of the customer data is performed before
upgrading the main software (either PCPro file or SD card backup).
Before upgrading the main system software, the following preparations are necessary.
• Prepare the SD Card (1 GB, or upwards and formatting by FAT), and store the new main software
on the SD card by PC. (New main system software is supplied by NEC.)
The Formatting of the SD card will be used SD Formatter. It is supplied by SD Association.
2.3 Main Software Version Confirmation
The main system software version is confirmed by the following operation at the display type Multiline
Telephone.
The following steps assume that program 15-02-60 is set to Advanced 1 or Advanced 2. If set to Standard
the operation is as follows:
1. On-hook Condition.
2. Press Enter Key (Navigation Key).
3. Press "3" On Keypad to show the Main System Software version and Hardware Key Code.
1. On-hook Condition.

Figure 4-8 Display of Multiline Telephone (12TXH/24TXH-A1)

Figure 4-9 Display of Multiline Telephone (12TXH/24TXH-B1)

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