System Startup; Powering Up The System/Initial Pcb Installation - NEC UX5000 Hardware Manual

S 2-8
ECTION

SYSTEM STARTUP

2.8.1
System Startup
You can now power up the system and briefly check its operation. Before proceeding, be sure that:
●
The common equipment is installed correctly.
●
All extensions are cabled correctly.
●
All KSU-B's are grounded and telco connections are installed correctly.
●
PCBs are configured, equipped, and strapped correctly.
2.8.2

Powering Up the System/Initial PCB Installation

1. Insert the CCPU PCB into slot 1 (top slot in the cabinet) in the Controlling KSU-B.
2. The remaining PCBs can be installed prior to initial power up, or they can be inserted afterwards.
Prior to Powering Up: Insert the remaining PCBs as needed into the KSU(s).
3. The power for each KSU-B/KSU-E pair is controlled by the power switch on the KSU-B.
switch on the first Controlling KSU-B/Expansion KSU-E pair must be turned on LAST in
order for the PCBs to be recognized in the proper order.
Turn on the power switch for all the other KSUs, THEN turn on the power switch for the Controlling KSU-B.
●
The system will recognize the KSUs in order (KSU 1, KSU 2, KSU 3, KSU 4).
4. If installing the PCBs after initial power up plug the PCBs into each KSU slot in numerical order. The
order in which the PCBs are physically inserted determines the numbering plan. The installer must
install extension PCBs in order (i.e.; slot 1 first, slot 2 next, slot 3 next, etc.) for a sequential numbering
plan.
5. When starting the system for the first time, hold the SW1 (load) button on the CCPU and turn the
system power ON.
6. After approximately 10 seconds, release the SW1 (load) button.
●
This performs a cold start on the UX5000 system to make sure you're starting with a defaulted
system.
●
When powering up any other time, simply turn the power button on. With a multiple KSU system,
turn off the expansion KSU's power supply, then the main KSU's power supply.
Refer to
7. Wait about three minutes for the system to boot. Any connected display telephones will show the Time/
Date and extension number when the boot sequence completes.
Chapter 2
2.4.1.1.1 Switch Settings and LED Indications
Chapter 2 - PCB Installation and Startup
on page 2-17 for CCPU LED status.
The power
2 - 81