System Hardware Manual
- 69
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No.
8846 -
Releas
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04
System Start Up
Chapter 9
S
ECTION
1
S
YSTEM
S
TART
U
P
1.1 Before Starting Up the System
Before starting up the system, make sure:
The KSU is installed correctly.
All extensions are cabled correctly.
All Earth connections and PSTN Trunks are cabled correctly.
All PCBs are configured, equipped, and strapped correctly.
AC Power cord is cabled correctly.
At least one Display type Key Telephone is connected to the
system (for Programming).
1.2 Powering Up the System
There are 2 types of start up method as below.
1. Open the Sub-Cover at the main KSU, and check the position of
switch SW1.
2. The AC Power Switch is ON. The switch is located at the left hand
side of each KSU.
Name
SW1
Position
Description
Purpose
COLD Start
(Battery OFF)
OFF
The factory setting data is
loaded.
• First time start up
• System Initialization
HOT Start
(Battery ON)
ON
The customer setting data
is loaded.
• System Reboot
• For the first time start up, the SW1 (Battery) must be set to "OFF"
(COLD Start) side.
• For the system reboot, the SW1 (Battery) must be set to "ON" (HOT
Start) side.
