Re: what is this on a telephone pole

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Splitpair
Premium
join:2000-07-29
Cow Towne

·T-Mobile US

reply to LazMan
Re: what is this on a telephone pole

said by LazMan

:

Looks like a T1 repeater housing... Sometimes called an "AP-CAN" or Application-Can... Holds HDSL repeater cards for T1s...

Laz

Doublers not repeaters my friend a repeater housing is squareish and holds 6 or 12 slots this has 4 standard 400 mechanics slots and holds 4 HDSLx or HDSL4 doublers.

Wayne
--
If you cannot fix it with a buttset and some bennies you ain't a technician.

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· 2008-05-02 10:26:06 ·

LazMan

join:2003-03-26
Angus, ON

When it comes to OSP, I'll gladly accept corrections from you, Wayne.

We've used cans similar for repeaters in the past - has (I think) 4 slots in a cage inside the can... Although the cover's white, not stainless...

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· 2008-05-02 10:55:56 ·

Splitpair
Premium
join:2000-07-29
Cow Towne

·T-Mobile US

1 edit

said by LazMan

:

We've used cans similar for repeaters in the past - has (I think) 4 slots in a cage inside the can... Although the cover's white, not stainless...

It's mostly semantics ADC actually calls their doublers repeaters. Technically a repeater receives the T1 amplifies it and sends it down the span noise errors and all whereas a doubler strips the DS1 out of the incoming carrier cleans it up (error correction) puts it back on a carrier and sends it down the loop. A doubler also has the "smarts" to report span conditions to the line unit as aid in trouble shooting the span.

Wayne

There are T1 repeater housings the upper is a pole mounted pressurized 4 slot and the lower is I think the same in 12 slots.

T1 repeater »www.charlesindustries.com/main/t···ers.html

Wayne
--
If you cannot fix it with a buttset and some bennies you ain't a technician.

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· 2008-05-02 12:33:30 ·

cypherstream
Looking forward to the future of things.
Premium,MVM
join:2004-12-02
Reading, PA
clubs:

1 edit

Wow, thanks Wayne.

I always wondered what those white square boxes were. I figured they were repeaters for some sort of data service from the telco (DSL or T1s). I also see those can's, both in stainless and white. Sometimes the white ones have numbers written on them (looks like a simple sharpie marker wrote on it).

We have a pairgain HDSL unit at work that feeds an Adtran CSU/DSU. We have 8 channels for data and 16 channels for voice. We had problems in the past and the telco guys were in with some fancy Sunrise Telecom meters. Everythings good now though.

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· 2008-05-07 23:59:25 ·


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