Figure 3-40 Original Power Supply Unit Installation - Inter-Tel AXXESS Manual

Installation
® ®
INTER-TEL AXXESS
14.
15.
16.
Figure 3-40. Original Power Supply Unit Installation
TOP VIEW OF POWER SUPPLY MOUNTED IN CHASSIS
Grounding Requirements
8.8
(See
building's frame, a ground rod (driven a minimum of 8 ft/2.4 m), and a copper (not PVC) cold
water pipe. For proper grounding methods, please see the diagram on the following page.
8.9
battery compartments that are used must be properly grounded to the chassis AC outlet. Inter-
Tel's CommSource division or Inter-Tel Europe sells a surge/spike protector (model DTK-
3GTP) that has a built-in ground lug just for this purpose.
8.10 The grounding wire should be 10AWG (10 gauge thickness or larger -- smaller number
gauge = larger thickness) or larger and should not exceed 25 feet (7.5 meters) to help provide
RFI/EMI protection, or should not exceed 10 feet (3 meters) to help provide both RFI/EMI and
lightning protection.
Page 3-80
MANUAL VERSION 11.0 – May 2008
Turn OFF the system AC POWER switch, replace the circuit cards in the equipment
chassis, and then turn the system AC POWER switch back ON.
Replace the front panel on the chassis.
To receive proper credit for the advance replacement, return the defective power supply
unit to Inter-Tel.
The equipment chassis must be plugged into a properly grounded AC power source.
page 3-10 for additional AC power requirements.) Some good ground points include the
In addition, all optional Single-Line Adapters, trunk gas discharge tubes, and UPS/SPS
POWER SUPPLY
MOUNTING SCREWS
CABLE TO J11 ON
CHASSIS BACKPLANE
Original Power Supply Unit Installation