NEC Xen Alpha Installation Manual

Installation Manual  •  •  •  System Overview Page 21A6-506000-642-01
Set Tone 2 500 Hz (I)
540 (E)N/A
Timed Alarm 1024 Hz (I)
1100 Hz (E)N/A
Tone Override 500 Hz (I)
540 HZ (E)N/A
Trunk Queuing 500 Hz (I)
540 HZ (E)N/A
System Tone
(Fixed)Frequency (Hz)
(Fixed)ModulationCycle
ON
OFF0.5 sec.
ON
OFF.250 sec.
.125 sec.
ON
OFF2 sec.
ON
OFF0.5 sec.
0.5 sec. 

 Page 22System Overview  •  •  •  Installation Manual
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Multiline Terminal Flash Patterns Table
Table 1-7: Multiline LED Patterns
0 0.5 1.0 1.5 2.0 sec
LEDConditionCol.Flash Pattern
Line Key
I-Use
Busy
Incoming Call
I-Hold
Call Hold
Hold Recall
Transfer RecallGreen
Red
Red
Green
Red
Green
Green
Microphone
ON
MonitoredRed
Red
ICM
I-Use
ICM Incoming CallRed
Red
Large LED
Incoming Internal Call
Incoming CO Line
Voice Mail MessageRed
Green
Red
Speaker
ON
System Data Entry
MonitorRed
Red
Red...

Installation Manual  •  •  •  System Overview Page 23A6-506000-642-01
DSS/BLF LED Indications Table
Table 1-8: DSS/BLF LED Indications
FunctionColourStatus
IdleOFF
TalkingRed ON
HoldRed ON
FWD All & DNDRed (flashing) ON
Other Use (Multiline Terminal is in off-line 
mode, the station user is programming, 
Feature Access/One-Touch Key 
programming, etc.)Red (flashing) ON 

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Installation Manual  •  •  •  KSU Installation Page 23
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Xen AlphaRelease 1.0
SECTION 1
GENERAL
INFORMATION
This section provides the requirements for installing the system. The installer should be
familiar with this section before installing the system.
SECTION 2
SITE
PREPARATION
The technician should plan the installation before actual work begins. Advanced planning
will minimize time, cost and disruption of the customer’s business activities. Additional
benefits include flexibility for...

 Page 24KSU Installation  •  •  •  Installation Manual
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Site Selection Conditions
KSU Installation Site
The following conditions should be met at the site selected for the KSU.
!The KSUs should be wall mounted to protect against accident or flooding.
!The KSU should not be located directly beneath pipes, due to the possibility of leaks or
condensation causing damage to the equipment.
!The area where the KSU is to be located must be free of corrosive and inflammable
gases, excessive...

Installation Manual  •  •  •  KSU Installation Page  25A6-506000-642-01
SECTION 3
INSTALLING THE
KEY SERVICE
UNIT (KSU)
Installation Precautions
Before installation and cabling of the KSU, observe the below precautions.
!Before starting the work, be sure the KSU power switch is OFF and disconnect the
power cord from the AC outlet.
!Do not directly touch the soldered surfaces of the KTUs with you hands.
!Extreme care must be taken to avoid STATIC DISCHARGE when handling ICs and
KTUs – an earthed wrist...

 Page 26KSU Installation  •  •  •  Installation Manual
A6-506000-642-01
Removing the KSU Cover
Before wall mounting the KSU, the KSU cover must be removed. Below is a diagram
showing how to remove the cover of the KSU.
1. Remove the cover by loosening the two bottom screws with a philips head screwdriver
(the screws remain in the cover to keep from misplacing them). Pull the cover away
from the KSU and lift upward.
2. To replace the cover, locate the tabs on the top of the cover into the slots in the top...