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Yep, that's what it was Bill. Believe it or not I had a picture I took at a site survey and was able to read that off the picture saved on my computer!
So yeah, I don't know why it was written on the label on the smartjack!
What carrier is 101?
Jeff Moss
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Spam Hunter
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Funny answer --> Not the 102, 103 or 104 carrier. ::Rim shot:: (Ok, I won't quit my day job!) :rofl: But it is just a number to differentiate between multiple carriers with the same A & Z CILLI codes. So you could have these: 101/T1ZF/BSTNMACOW03/BSTNMAHADC1 102/T1ZF/..... 103/... 104/... (You get the idea) 
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Jeff Moss
Moss Communications
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MBSWWYPBX, JGAE
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Originally posted by jeffmoss26:
Yep, that's what it was Bill. Believe it or not I had a picture I took at a site survey and was able to read that off the picture saved on my computer!
So yeah, I don't know why it was written on the label on the smartjack!
What carrier is 101? That's the CFA assignment that this end of the circuit is connected to.
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What is a CFA assignment?
Jeff Moss
Moss Communications
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MBSWWYPBX, JGAE
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Joined: May 2002
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Well this old memory say it's Carrier Facility Assignment, but might be wrong. This is really nothing the customer is ever going to get into and I'm surprise it was on a DEMARC.
Retired phone dude
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You hit it, Bill. :thumb: The CFA (Connecting Facility Assignment) is assigned by Inter-Exchange Carriers to identify the circuit's physical connection point on the IECs equipment.
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Well I got two out of three, not bad for slightly pickled gray matter. Thanks for setting me straight.
Retired phone dude
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5E pretty much nailed it on the head. The CFA tells you on which facility and channel a particular circuit will be located.
For example, I might need to order a DS1 for a new customer. The customer is in Verizon's territory. I have a bunch of DS3 circuits to Verizon.
The CFA will identify which DS3 the circuit will be used to get the circuit from me to Verizon. The CFA will also tell us which channel of the DS3 the circuit will be assigned to.
So, if I need to install a circuit, 95/HCGS/1234556/NE I can tell Verizon, "I want to use the following CFA: 4502/T3/BSTNMACOK32/CMBRMABEK31/ channel 20 (A muxed DS3 can support up to 28 DS1s).
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Got it! Thanks again for solving yet another mystery.
Jeff Moss
Moss Communications
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MBSWWYPBX, JGAE
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