NEC Xen Alpha Installation Manual

Installation Manual  •  •  •  Installing DTU Type Multiline MonitorsPage 79A6-506000-642-01
3. Insert flat head screwdriver into A in Figure 4-32:: Unlocking Tab, Pg 79 and press
straight down until tab unlocks.
Figure 4-32: Unlocking Tab
4. Lightly press right side of leg shown as B in Figure 4-33:: Releasing Right Tab, Pg 79,
insert flat head screwdriver at C and Press straight down until other tab unlocks.
Figure 4-33: Releasing Right Tab
5. Open and remove Bottom Cover by rotating counterclockwise as...

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7. Cut the dummy end in half as shown in Figure 4-36:: Cutting Dummy End in Half, Pg
80.
Figure 4-36: Cutting Dummy End in Half
8. If Adapter is installed in Connector 1 as show in Figure 4-37:: Installing Adapter in
Connector 1, Pg 80, Install Dummy end B as shown in Figure 4-38:: Installing Dummy
End B, Pg 80.
Figure 4-37: Installing Adapter in Connector 1
Figure 4-38: Installing Dummy End B
ACA-UA Unit (AC...

Installation Manual  •  •  •  Installing DTU Type Multiline MonitorsPage 81A6-506000-642-01
1. Connecting the ACA-UA Unit
a) Unplug the line cord from the Multiline Terminal and unplug the ACA-UA Unit from
the AC outlet. (Failing to do this can damage the unit and/or the
Multiline Terminal.)
b) Turn the Multiline Terminal upside down and open the base plate.
2. Locate the AC adapter plug on the ancillary device that is connected to the bottom of
the Multiline Terminal and plug in the AC adapter.
Figure...

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e) Lead the audio cable out through the groove on the base cover. Plug in the
telephone cord. 
Figure 4-41: Leading the Audio Cable out from the ADA-UA Unit
Connecting Cables to the ADA-UA Unit
Cable terminal connectors are located on the right side of the ADA-UA Unit. Cables should
be connected on this unit before installing the unit on the Multiline Terminal.
Figure 4-42: ADA-UA Unit
1. Cut off the plug on one...

Installation Manual  •  •  •  Installing DTU Type Multiline MonitorsPage 83A6-506000-642-01
4. Insulate the end of the cable that needs to be shielded with insulating tape.Table 4-3:
ADA-UA Cable Connections, Pg 83 provides a list of cable connections to ADA-UA
ADP terminals and describes the specifications for the terminals.
Table 4-3: ADA-UA Cable Connections, Pg 83 provides a list of cable connections to
ADA-UA ADP terminals and describes the specifications for the terminals. 
Table 4-3  ADA-UA Cable...

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Switch Settings
The DIP Switch is located at the bottom center of the ADA-UA Unit. The DIP Switch allows a
technician to configure the board to specific settings. Figure 4-44:: ADA-UA Unit Switch
Settings, Pg 84 shows the default settings. 
Figure 4-44: ADA-UA Unit Switch Settings Notes:
☛When recording in handsfree (half-duplex) mode using the built-in speakerphone, the
record warning tone may not be audible to...

Installation Manual  •  •  •  Installing DTU Type Multiline MonitorsPage 85A6-506000-642-01
The following switch settings should be made on the ADA-UA Unit to enable or disable the
record start warning tone. Switch settings should be made before installing the ADA-UA Unit
in the Multiline Terminal. (Refer to Table 4-4: ADA-UA Unit Switch Settings, Pg 85.) 
Table 4-4  ADA-UA Unit Switch Settings
 
SwitchSettingDescription
SW1–1 OnIf the ADA-UA provides 
control to the recorder, 
SW1-1 should be set to...

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APR-UA Unit (Analogue Port Ringer)
The Analogue Port adapter with Ringing provides an interface for installing Single Line
Telephones, modems, NEC VoicePoint Conferencing unit, and other compatible analogue
devices. The APR-UA Unit also generates ringing signals. By providing ring generation, the
user can install a personal fax machine or an answering machine for convenience. Two
user-adjustable switches are...

Installation Manual  •  •  •  Installing DTU Type Multiline MonitorsPage 87A6-506000-642-01
4. Plug the cord of the ACA-UA Unit (AC adapter) into the jack on the APR-UA Unit. Lead
the telephone cord out through the groove in the base as shown in Figure 4-47::
Leading the Telephone Cord out from the Unit, Pg 87.
Figure 4-47: Leading the Telephone Cord out from the Unit
5. Close the base plate, lead the AC adapter cord out through the hole, and snap the
cover in place.
Figure 4-48: Closing the Base Plate...

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The following table lists the switch settings for SW1 and SW3.
Connecting Cables on the APR-UA Unit
Plug the telephone cord from the Single Line Telephone into the modular jack on the APR-
UA Unit. 
Limit the cable length from the APR-UA Unit to the Single Line Telephone to a maximum of
15 metres. 
Figure 4-50: Connecting Cables on the APR-UA Unit
Switch Description
SW1–1
Do not use
SW1–2A Single Line Telephone...