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Difference between revisions of "ASLT - AlphaCom Subscriber Line Board"

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[[Image:1009101010.PNG|thumb|250px|ASLT Subscriber Line Board]]
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{{A}} [[Image:1009101010.PNG|thumb|250px|ASLT Subscriber Line Board (1009101010)]]
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The ASLT line board is used for connection of [[:Category:Stations#Analog_4-wire_stations|analog intercom stations]] to the AlphaCom server.
  
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==Highlights ==
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==Highlights==
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* Each board provides six 4-wire subscriber connections
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* 6 [[RCO|RCO remote control outputs]] (software configurable activation)
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*Each board provides six 4-wire subscriber connections
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* 1 voice-switched conversation per board
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*6 [[RCO|RCO remote control outputs]] (software configurable activation)
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* When using handset or full duplex conference unit at both ends, the system is non-blocking within each module
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*1 voice-switched conversation per board
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* All subscriber connections suitable for display stations
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*When using handset or full duplex conference unit at both ends, the system is non-blocking within each module
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* Line monitoring
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*All subscriber connections suitable for display stations
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* Software-controlled output volume control
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*Line monitoring
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* [[Hot-plug|Hot plug-in/plug-out]]
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*Software-controlled output volume control
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* Red/green/amber LED indicates system status
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*[[Hot-plug|Hot plug-in/plug-out]]
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*Red/green/amber LED indicates system status
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==Installation  in AlphaCom XE20/XE26==
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{{obs|
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* ''Turn power off before inserting or removing boards''
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* ''Alternatively use the [[Hot-plug|Hot-plug cable]] to insert/remove boards'' }}
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*In the [[AlphaCom XE26]] the ASLT board can be placed in any board position 1-23.
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**Board position 1: Physical numbers 1 to 6
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**Board position 2: Physical numbers 7 to 12
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**!
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**!
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**Board position 23: Physical numbers 133 to 138
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*In the [[AlphaCom XE20]] the ASLT board can be placed in any board position 1 and 8-23.
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**Board position 1: Physical numbers 1 to 6
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**Board position 8: Physical numbers 43 to 48
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**!
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**!
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**Board position 23: Physical numbers 133 to 138
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{{Obs|Board position 2 to 7 (physical numbers 7 to 42) does not exist in the AlphaCom XE20!}}
  
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==Installation==
 
  
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===AlphaCom XE20/XE26===
 
 
There are three different subscriber connection methods available:
 
There are three different subscriber connection methods available:
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*Subscriber connection board ([[Subscriber Connection Board|1009930200]]) with 1.5 m connection cables ([[1009501011]]) or 3.0 m connection cable.
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:2 pcs. of [[Subscriber Connection Board|1009930200]] and [[1009501011]] are included with the E20 and E26 exchange packages.<br>
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*Subscriber connection board ([[Subscriber Connection Board|1009930200]]) with 1.5 m connection cables ([[1009501011]]) or 3.0 m connection cable. 2 sets of [[Subscriber Connection Board|1009930200]] and [[1009501011]] are included with the XE20 and XE26 exchange packages.<br>
 
*5 m ([[1009501021]]) and 10 m ([[1009501023]]) subscriber connection cables. These cables are un-terminated, [[1009501023#Color_codes|color code]] is packed with the cables.
 
*5 m ([[1009501021]]) and 10 m ([[1009501023]]) subscriber connection cables. These cables are un-terminated, [[1009501023#Color_codes|color code]] is packed with the cables.
 
*Filter and connection card [[1009501041]] with RJ45 connectors.
 
*Filter and connection card [[1009501041]] with RJ45 connectors.
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<br style="clear:both;" />
 
<br style="clear:both;" />
  
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===AlphaCom XE7===
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<br>
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All intercom stations are connected by means of pluggable screw terminals on the exchange back-plane. The [[RCO]] outputs 1-6 are associated with the board in pos. 1, and RCO 7-12 with the board in pos. 2.  
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==Installation  in AlphaCom XE7==
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 +
*In the [[AlphaCom XE7]] the ASLT board can be placed in any board position 1-6.
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**Bord position 1: Physical numbers 1 to 6
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**Bord position 2: Physical numbers 7 to 12
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**!
 +
**!
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**Bord position 6: Physical numbers 31 to 36
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{{obs|
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''Turn '''power off''' before inserting or removing boards'' }}
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 +
Stations are connected to the AlphaCom XE7 by means of [[Connection Kit ASLT/AGA/AE1/ATLB|pluggable screw terminals]] on the backplane.  
  
 
[[Image:Station, program and RCO connection to RCO in E7.jpg|500px|left|thumb|Station, program and RCO connection to ASLT in AlphaCom XE7]]  
 
[[Image:Station, program and RCO connection to RCO in E7.jpg|500px|left|thumb|Station, program and RCO connection to ASLT in AlphaCom XE7]]  
 
<br style="clear:both;" />
 
<br style="clear:both;" />
  
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There are 12 [[RCO]] outputs available on pinheaders on the backplane. RCO 1-6 are controlled by the ASLT board in position 1, and RCO 7-12 are controlled by the ASLT board in position 2.
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{{note|Physical numbers 5 and 6 are by default used as inputs for Audio Program distribution, but can alternatively be used for intercom stations. See related article: [[Physical number 5 and 6 (AlphaCom E7)]] }}
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==Cabling==
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The cabling from the AlphaCom server to the intercom station is star wiring principle. Use twisted pair cable. Two pairs of wires are required to each station. The maximum distance depends on the cable diameter:
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*0.5 mm wires (AWG24): 1.4 km
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*0.6 mm wires (AWG22): 2.0 km
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*0.9 mm wires (AWG19): 4.0 km
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The four wires are called a-,b-, c- and d-wires. a-b-wires are "transmit" and cd-wires are "receive".
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{{note|a- and b-wire must be in one pair, and c- and d-wire in another pair}}
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[[Image:AnalogCabling.PNG|left|400px|thumb|Two pairs of wires to each station]]
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<br style="clear:both;" />
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<br>
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===Voltage readings===
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For troubleshooting it might be useful to check the voltage on the lines with a voltmeter.
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[[Image:ASLT Voltages.png|left|600px|thumb|Voltage readings on the intercom line]]
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<br style="clear:both;" />
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<br>
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Typical voltages across a- and b-wire:
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*Open line (no station connected): 32V
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*Display station connected: 24-27V
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*Non-display station connected: 29-30V
  
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{{note|Physical numbers 5 and 6 are by default used as inputs for Audio Program distribution, but can alternatively be used for intercom stations. See related article: [[Physical number 5 and 6 (AlphaCom E7)]] }}
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Typical voltages across c- and d-wire:
 +
 
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*Open line, or station connected in Open mode: -21V
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*Station connected in Private mode: -19V
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*Station in conversation: +9 to +12V
  
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===Cabling===
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<br>
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Desktop stations are connected to the line on RJ45 wall sockets.
 
  
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==Compatibility==
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==Additional Documentation on Zenitel.com==
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The four-wire interface provides compatibility with existing standard station range from STENTOFON with the exception of TouchLine display stations produced earlier than March 1995. These stations are no longer compatible due to reduction on the display signal output from the exchange. TouchLine display stations produced after March 1995 are labeled version 1.1 and are fully compatible with the AlphaCom exchange.
 
  
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== Additional Documentation on Zenitel.com ==
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*[http://www.zenitel.com/product/aslt Additional Documentation on Zenitel.com]
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* [http://www.zenitel.com/product/aslt Additional Documentation on Zenitel.com]
 
  
 
[[Category:Feature boards]]
 
[[Category:Feature boards]]

Latest revision as of 13:52, 17 September 2021

AlphaCom icon 300px.png
ASLT Subscriber Line Board (1009101010)

The ASLT line board is used for connection of analog intercom stations to the AlphaCom server.

Highlights

  • Each board provides six 4-wire subscriber connections
  • 6 RCO remote control outputs (software configurable activation)
  • 1 voice-switched conversation per board
  • When using handset or full duplex conference unit at both ends, the system is non-blocking within each module
  • All subscriber connections suitable for display stations
  • Line monitoring
  • Software-controlled output volume control
  • Hot plug-in/plug-out
  • Red/green/amber LED indicates system status


Installation in AlphaCom XE20/XE26

OBS icon
  • Turn power off before inserting or removing boards
  • Alternatively use the Hot-plug cable to insert/remove boards


  • In the AlphaCom XE26 the ASLT board can be placed in any board position 1-23.
    • Board position 1: Physical numbers 1 to 6
    • Board position 2: Physical numbers 7 to 12
    • !
    • !
    • Board position 23: Physical numbers 133 to 138
  • In the AlphaCom XE20 the ASLT board can be placed in any board position 1 and 8-23.
    • Board position 1: Physical numbers 1 to 6
    • Board position 8: Physical numbers 43 to 48
    • !
    • !
    • Board position 23: Physical numbers 133 to 138
OBS icon Board position 2 to 7 (physical numbers 7 to 42) does not exist in the AlphaCom XE20!



There are three different subscriber connection methods available:

Station and RCO connection to ASLT in AlphaCom XE20 and XE26



Installation in AlphaCom XE7

  • In the AlphaCom XE7 the ASLT board can be placed in any board position 1-6.
    • Bord position 1: Physical numbers 1 to 6
    • Bord position 2: Physical numbers 7 to 12
    • !
    • !
    • Bord position 6: Physical numbers 31 to 36
OBS icon

Turn power off before inserting or removing boards


Stations are connected to the AlphaCom XE7 by means of pluggable screw terminals on the backplane.

Station, program and RCO connection to ASLT in AlphaCom XE7


There are 12 RCO outputs available on pinheaders on the backplane. RCO 1-6 are controlled by the ASLT board in position 1, and RCO 7-12 are controlled by the ASLT board in position 2.

Note icon Physical numbers 5 and 6 are by default used as inputs for Audio Program distribution, but can alternatively be used for intercom stations. See related article: Physical number 5 and 6 (AlphaCom E7)


Cabling

The cabling from the AlphaCom server to the intercom station is star wiring principle. Use twisted pair cable. Two pairs of wires are required to each station. The maximum distance depends on the cable diameter:

  • 0.5 mm wires (AWG24): 1.4 km
  • 0.6 mm wires (AWG22): 2.0 km
  • 0.9 mm wires (AWG19): 4.0 km

The four wires are called a-,b-, c- and d-wires. a-b-wires are "transmit" and cd-wires are "receive".

Note icon a- and b-wire must be in one pair, and c- and d-wire in another pair


Two pairs of wires to each station



Voltage readings

For troubleshooting it might be useful to check the voltage on the lines with a voltmeter.

Voltage readings on the intercom line



Typical voltages across a- and b-wire:

  • Open line (no station connected): 32V
  • Display station connected: 24-27V
  • Non-display station connected: 29-30V

Typical voltages across c- and d-wire:

  • Open line, or station connected in Open mode: -21V
  • Station connected in Private mode: -19V
  • Station in conversation: +9 to +12V


Additional Documentation on Zenitel.com

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