CMS:Number One Crossbar Switch: Difference between revisions
Intcreator (talk | contribs) m →Installation and Service Life: I added the template YAY |
|||
| (One intermediate revision by the same user not shown) | |||
| Line 23: | Line 23: | ||
* 10- and 100-line concentrating frames | * 10- and 100-line concentrating frames | ||
* Line Insulation Test frame | * Line Insulation Test frame | ||
* ANI frames | * [[ANI]] frames | ||
* Both old and new-style subscriber's senders | * Both old and new-style [[subscriber's senders]] | ||
* Recorded Announcement frame from a Crossbar Tandem | * Recorded Announcement frame from a Crossbar Tandem | ||
* Kercheep, the computer, and various digital and carrier equipment | * [[CMS:Kercheep|Kercheep]], the computer, and various digital and carrier equipment | ||
== Trunking == | == Trunking == | ||
| Line 46: | Line 46: | ||
The configuration of the No. 1 Crossbar at the museum is minimal, when compared to its active service life. The switch has one of the following of each frame: | The configuration of the No. 1 Crossbar at the museum is minimal, when compared to its active service life. The switch has one of the following of each frame: | ||
Aisle | Aisle 4 | ||
* Line Link Frame (LLF) | * Line Link Frame (LLF) | ||
| Line 63: | Line 63: | ||
* Recorded announcement frame | * Recorded announcement frame | ||
Aisle | Aisle 3 | ||
* Line Distributing Frame (LDF) | * Line Distributing Frame (LDF) | ||
| Line 74: | Line 74: | ||
* Block Relay Frame (BRF 0) | * Block Relay Frame (BRF 0) | ||
* ANI Number Network Primary (ANI NN) | * ANI Number Network Primary (ANI NN) | ||
* ANI Trunk Frame ( | * ANI Trunk Frame (ANI T) | ||
* ANI Outpulser (ANI OP) | * ANI Outpulser (ANI OP) | ||
* ANI Identifier | * ANI Identifier | ||
| Line 82: | Line 82: | ||
* 100 Line Concentrator | * 100 Line Concentrator | ||
Aisle | Aisle 2 | ||
* 10 Line Concentrator | * 10 Line Concentrator | ||
| Line 97: | Line 97: | ||
* Billing Data Transmitter (BDT) | * Billing Data Transmitter (BDT) | ||
* Tandem Crossbar Ring Marker | * Tandem Crossbar Ring Marker | ||
Aisle 1 (Test Aisle) | |||
* ANI Identifier-Outpulse and Trunk Test Frame (ANI TST) | |||
* Incoming Trunk Test Frame (ITT) | |||
* Terminating Sender Test Frame (TST) | |||
* Terminating Trouble Indicator (TTI) | |||
* Originating Trouble Indicator (OTI) | |||
* Outgoing Trunk Test Frame (OGT) | |||
* Outgoing Trunk Test jack panel (OGT JK) | |||
* Sender Make Busy Frame (SMB) | |||
* Originating Sender Test Frame (OST) | |||
* District Junctor Test Frame (DJ TST) | |||
[[Category:Connections Museum Exhibits]] | [[Category:Connections Museum Exhibits]] | ||