CMS:Number One Crossbar Switch: Difference between revisions
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* Kercheep, the computer, and various digital and carrier equipment | * Kercheep, the computer, and various digital and carrier equipment | ||
== | == Trunking == | ||
The 1XB has a complex trunking pattern that includes both first-choice and alternate routes. It also decides on call routing via class of service based on which sender is serving your call. This pattern is possibly the most complex and diverse of any of the museum's switches. Trunks include, but are not limited to: | The 1XB has a complex trunking pattern that includes both first-choice and alternate routes. It also decides on call routing via class of service based on which sender is serving your call. This pattern is possibly the most complex and diverse of any of the museum's switches. Trunks include, but are not limited to: | ||
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* to [[CMS:Kercheep|Kercheep]], with ANI/CAMA (537) | * to [[CMS:Kercheep|Kercheep]], with ANI/CAMA (537) | ||
* to the [[CMS:3ESS (Electronic Switching System)|3ESS]] (830) | * to the [[CMS:3ESS (Electronic Switching System)|3ESS]] (830) | ||
* to the [[CMS:DMS-10|DMS-10]] via [[CMS:Kercheep|kercheep]] | |||
== Technical Information == | == Technical Information == | ||
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* District Link (DL) | * District Link (DL) | ||
* Office Link (OL) | * Office Link (OL) | ||
* Incoming Trunk Test Connector | |||
* Incoming Link (IL) | * Incoming Link (IL) | ||
* Incoming Trunk (100 trunks) | * Incoming Trunk (100 trunks) | ||
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* Terminating Sender Frame (3 MF, 2 FS term senders, total of 5) | * Terminating Sender Frame (3 MF, 2 FS term senders, total of 5) | ||
* Sender Selector equipment | * Sender Selector equipment | ||
* Recorded announcement frame | |||
Aisle 2 | Aisle 2 | ||
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* Terminating Marker | * Terminating Marker | ||
* Terminating Marker Connector | * Terminating Marker Connector | ||
* 100 Line Concentrator | |||
Aisle 3 | Aisle 3 | ||
* 10 Line Concentrator | * 10 Line Concentrator | ||
* Line Insulation Test | * Line Insulation Test (LIT) | ||
* MF Current Supply (MFCS) | |||
* Permanent Signal Holding Trunks | * Permanent Signal Holding Trunks | ||
* Originating Sender Test Relay Rack | |||
* Office Interrupter (OI) | * Office Interrupter (OI) | ||
* Floor Alarm (FLA 100) | * Floor Alarm (FLA 100) | ||
* Emergency Alarm | |||
* CARW Equipment (2 bays) | * CARW Equipment (2 bays) | ||
* Intercepting and Announcement equipment | * Intercepting and Announcement equipment | ||
* Call Data Transmitter (CDT) | * Call Data Transmitter (CDT) | ||
* Billing Data Transmitter (BDT) | * Billing Data Transmitter (BDT) | ||
* Tandem Crossbar Ring Marker | |||
[[Category:Connections Museum Exhibits]] | [[Category:Connections Museum Exhibits]] | ||