NEC Xen Alpha Installation Manual

Installation Manual  •  •  •  System Overview Page 11A6-506000-642-01
SECTION 5
SYSTEM BLOCK
DIAGRAM
Figure Figure 1-2: NEC Xen Alpha System Block Diagram, Pg 11 represents an installed
system. This diagram shows the ETUs that can be installed in the KSU and the number of
channels that are supported when the ETU is installed.
Figure 1-2: NEC Xen Alpha System Block Diagram 

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SECTION 6
REQUIREMENTS &
S
PECIFICATIONS
This section provides cabling requirements and specifications for various equipment used in
the Xen Alpha system.
! BRT(1)-B13 ETU
! COI(2)-B13 ETU
! DPH-B13 ETU
! ESI(8)-B13 ETU
! SLI(2)-B13 ETU
The KSU is connected with each of the Multiline Telephones and Single Line Telephones by
a separate twisted 1-pair cable or 2-pair cable (only for Multiline Telephones). (Refer to
Table 1-1:: Multiline...

Installation Manual  •  •  •  System Overview Page 13A6-506000-642-01
Table 1-2: Cable Connection Between the Analogue Port Adapter and the
Single Line Telephone
!Note 1:Mixing digital and analogue ports through the same 25-pair cable runs is not 
recommended.
Note 2:The Maximum Loop Resistance includes the internal resistance of the 
SLT device.
SECTION 7
POWER
REQUIREMENTS
Power Supply Inputs
The AC input requirements for the Xen Alpha system are listed below:
AC Input
!250 Vac + 10/-15 %
!50 Hz ± 10%...

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SECTION 8
ENVIRONMENTAL
CONDITIONS
Table 1-4:: Weights and Dimensions, Pg 15 shows shipping weight, height, width, and depth
of each InfoSet KSU, Multiline Telephone, and adapter.
Table 1-4: Weights and Dimensions
*  Shipping weight includes the shipping carton.
UnitShipping 
Weight*HeightWidthDepth
ACA-UA Unit638 g 86 mm 107 mm 133 mm
ADA-UA Unit65 g 29 mm 59 mm 99 mm
APR-UA Unit122 g 66 mm 59 mm 121 mm
B614-B13 KSU6500 g 320 mm 385...

Installation Manual  •  •  •  System Overview Page 15A6-506000-642-01
SECTION 9
OUTSIDE LINE
TYPE
The following outside line types can be used with the InfoSet system.
!2-wire, Loop Start Trunks
!ISDN-BRI Trunks
SECTION 10
NETWORK &
C
ONTROL
Transmission, Network & Control Specifications
Transmission
• Data Length
From Multiline Telephone to ESI(8)-B13 ETU: 23 bits
From ESI(3)-B13 ETU to Multiline Telephone: 23 bits
• Data Transmission Rates:
Between ESI(3)-B13 ETU and Multiline Telephone: 184K bps...

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Telephone
The voltage, current, ring signal information for the InfoSet multiline telephones, single line
telephone equipment, and APR units are listed below.
• Multiline Telephone
Voltage:  -11  -26 Vdc
Maximum Current:  250 mA
• Single Line Telephone
Standard 2500 Set:  500 type network
Nominal Current:  35 mA
Ring Signal:  56 Vac RMS @ 20 Hz
• SLT(1)-U13 ADP
Standard 2500 Set:  500 type network
Nominal Current:  30 mA
Ring Signal:...

Installation Manual  •  •  •  System Overview Page 17A6-506000-642-01
!Rise Time: Within 5 ms
!Duration of Dual Frequency Signal: 
• 110 ms default/60 ms. minimum
!Inter-digital Time: 80 ms default/70 ms minimum 
SECTION 12
EXTERNAL
EQUIPMENT
CONNECTION
Music Sources for Music on Hold via KSU 
!Auxiliary Input: 0.6V PPS Signal Level
!Input Impedance: 600 W
Music Source for Station Background Music via KSU
!Auxiliary Input: 0.6V PPS Signal Level
!Input Impedance: 6 00 W
External Paging (Audio) via KSU...

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SECTION 13
BATTERY BACKUPThe Xen Alpha system has battery backup functions for system backup and for
memory backup.
System Backup
During a mains power failure, the system’s operation can be backup up using rechargeable
batteries. The internally mounted backup batteries can support all system operations for
approximately 30 minutes under average conditions. If longer backup duration’s are
required, larger externally mounted batteries...

Installation Manual  •  •  •  System Overview Page 19A6-506000-642-01
SECTION 14
VISUAL &
A
UDIBLE
INDICATIONS
Tone Patterns Table
Table 1-6: Tone Patterns
System Tone
(Fixed)Frequency (Hz)
(Fixed)ModulationCycle
Automatic Callback 500 Hz (I)
540 Hz (D)N/A
Barge-In Tone 440 Hz N/A
Busy Tone 480 Hz
620 HzN/A
Call Waiting Tone 440 Hz N/A
CO/PBX Ring
Tone AHigh:
1024 Hz/1285 Hz (I)
1100 Hz/1400 Hz (E)
Low:
480 Hz/606 Hz (I)
520 Hz/660 Hz (E)16
CO/PBX Ring
Tone BHigh:
1024 Hz/1285 Hz (I)
1100 Hz/1400 Hz (E)...

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Doorphone
2Chime 
ToneN/A N/A
Busy 
Chime 
Tone1024 Hz (I)
1100 Hz (E)N/A
Hold Alarm 1024 Hz (I)
1100 Hz (E)N/A
Howler Tone 2400 Hz 
(I & E)16 100% AM
Incoming Dial Tone 360 Hz/440 Hz 
(I & E)N/A
Incoming Ring Transfer 480 Hz/606 Hz (I)
520 Hz/660 Hz (E)16
Internal Ring Tone 500 Hz (I)
540 Hz (E)N/A
Key Tone 1100 Hz (I & E) N/A
Recall Tone 1024 Hz (I & E) N/A
Reorder Tone 480/620 Hz N/A
Ringback Tone for 
External Speaker CO/
PBX Ring...