NEC Xen Alpha Installation Manual

Installation Manual  •  •  •  KSU Installation Page  27A6-506000-642-01
Wall Mounting the KSU
Before wall mounting the KSU, it is recommended that the wall mounting screws be
attached to the piece of plywood (13 mm thick or more) or attached to a sturdy wall.
1. Using two of the four screws (provided with the KSU) attach the wall mount template
to the wall. (Refer to Figure 2-3:: Attaching the Wall Mounting Bracket for the KSU to the
Wall, Pg 27.)
2. While holding the KSU, hang the upper two openings...

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3. Using the other two provided screws, secure the KSU to the wall mount template by
screwing the lower two openings located in the KSU base. (Refer to Figure 2-5::
Securing the KSU to the Wall Mount Template, Pg 28.)
Installing or Replacing the Internal Backup Batteries
These batteries provide power for the system in case of a power outage. Fully charged
batteries provide power for approximately 30 minutes.
1. Be sure the system is...

Installation Manual  •  •  •  KSU Installation Page  29A6-506000-642-01
6. Replace the metal plate on top of the new batteries. Place the grounding cable on top of
the hole and tighten the screw using a philips head screwdriver.
7. Attach the battery connectors to CN3 (BATT1) and CN4 (BATT2) battery terminals.
Insert the battery connectors over either battery terminal. The connector tab should be
placed over the terminal tab. There is only one direction the tabs can be placed into the
connector...

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Connecting External Backup Batteries
1. Disconnect the Built-in Backup Battery Cables from CN3 and CN4 on the Power
Supply. Position the loose battery cables safely inside the KSU.
2. Mount the external battery into the External Battery Cabinet (AKB-A-ZD KTU), as
follows:
Note:Two batteries must be connected per KSU and each cabinet houses just one 
battery.
a.) Remove the four cover screws.
b.) Pass the battery cables through the...

Installation Manual  •  •  •  KSU Installation Page  31A6-506000-642-01
3. Mount the two External Battery Cabinets close to the KSU using the wood screws
supplied and replace the cover using the four screws. (Refer to Figure 2-11:: Mounting
the External Battery Cabinet, Pg 31.)
4. Connect the two external cable assemblies to CN3 and CN4 on the power supply.
(Refer to Figure 2-12:: Connecting External Batteries, Pg 31.)
Figure 2-11: Mounting the External Battery Cabinet
Figure 2-12: Connecting External...

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Grounding Requirements
The KSU must be properly grounded. This can be achieved by a correctly wired AC outlet. If
there is any uncertainty, obtain advice from a licensed electrical contractor. Where a ground
(other than conduit ground) is used, a grounding terminal is provided on a B614-B13 KSU.
(Refer to Figure 2-13:: KSU Grounding, Pg 32.)
Connecting the B614-B13 KSU
The CPU is the central processing unit (CPU). An 8-bit...

Installation Manual  •  •  •  KSU Installation Page  33A6-506000-642-01
4. After waiting at least 30 seconds, change SW1 to HOLD position.
Table 2-1  KSU Switches and Connections
Figure 2-14: KSU Switch Settings
NameDefault SettingDescription/Purpose
SW1
CN1
CN2
CN3
CN4
CN5
CN6
CN7
CN8
CN9
CN11
CN12
CN13
CN14
CN15
CN16
CN17
CN18
CN20CLEAR
ST 16
EXT.SPK
MOH/BGM
CO 12
FAX/PFT 12
RLY
ESI
DPH
VRS
VMS
TRF
PBR
External ROM
MIF
SLI
COI
BRT
COI
BRT
CID
PSUSystem Memory Battery Backup (Hold/Clear)
ESI Station...

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Telephone Connections
The B614-B13 ETU supports the connection of 6 digital extensions via CN1. Each port
requires a single twisted pair cable and the connection is not polarity conscious. (Refer to
Figure 2-15:: Telephone Connection, Pg 34) 
Figure 2-15: Telephone Connection
Exchange Line connection
The B614-B13 ETU supports the connection of 2 analogue exchange lines (Central Office or
PABX) via CN2. This 2-wire connection is not...

Installation Manual  •  •  •  KSU Installation Page  35A6-506000-642-01
If not required as power fail telephone ports, the FAX/PFT ports of CN2 can be used to connect
other analogue equipment such as faxes and modems. These devices can make and receive
calls as per the normal operation, when the associated trunks are not in used by other users of
the system. Note that each device is dedicated to a trunk (CO1 or CO2) as indicated above. Any
activity by these devices will be shown as a busy trunk status on...

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If a Paging Alert Tone is required to precede each External Paging message, Memory Block
002-3 must be set.
The paging equipment terminates onto the EXT.SPK connector of CN1 using a Special
Connector. If amplifier on/off control is required, this terminates onto the General Purpose
Relay connector (CN3-RLY), again using a Special Connector.
Connection of this equipment must be via a Line Isolation Unit with a Telecommunications...