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Author Topic: Huawei 128 Extension?  (Read 477 times)

Quonith

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Huawei 128 Extension?
« on: January 03, 2017, 10:19:38 PM »

I was passing my FTTC cab last night (one of the smaller huawei ones) and noticed it looked a bit different, I was driving past so didn't get a good look or a photo, but it has definitely grown and seems to have some kind of extention/pod attached to the right hand side that I've never seen before. The extension makes the whole cabinet about the same width as one of the larger huawei cabs and didn't look like it touched the ground. Anyone know anything about it? I assume it's to increase capacity as that cab has been full for a while. I'll see if I can get a picture when I next walk down the shop.

Edit: Correct spelling in title
« Last Edit: January 04, 2017, 03:33:48 PM by Quonith »
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burakkucat

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Re: Huawei 128 Extention?
« Reply #1 on: January 03, 2017, 10:55:35 PM »

The "small" Huawei equipped cabinets contain a SmartAX MA5616 MSAN (configured as a DSLAM) and can take a maximum of four line cards. It is highly likely that Huawei have now released an updated line card for the MA5616 -- one with a higher port density per card; hence the need for more space to make the physical connections.

From your description, it reads as if the cabinet side-extension is similar to that observed on the "big" Huawei equipped cabinets and is to allow expansion space for the extra set of low-pass filters & tie-cable terminations.

Attached below is an image of an expanded "big" Huawei equipped cabinet. A clear image of your expanded "small" cabinet would certainly be appreciated, please.
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Quonith

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Re: Huawei 128 Extention?
« Reply #2 on: January 04, 2017, 02:15:02 PM »

Just been past again and there were a couple of contractors working in the cab and PCP. They didn't speak much English so I couldn't get much information but they were installing tie cables between the two. The extension had a load of termination blocks inside. I'm not sure what a the inside of a small Huawei cab normally looks like but I could see in this cab that there were the 4 line cards and it looked like there was space in the rack mount for another two is it normal for there to be space to the right of the line cards in one of these cabs?

I've got to go past again in a bit so I'll make sure I take my phone and get some photos.

Edit: Correct spelling mistake
« Last Edit: January 04, 2017, 03:34:04 PM by Quonith »
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Quonith

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Re: Huawei 128 Extension?
« Reply #3 on: January 04, 2017, 03:42:12 PM »

Unfortunately the contractors had gone when I got back there with my phone so no photos of the inside. But I got a photos of the outside. I apologize for the poor quality, damaged the camera lens on my phone a few weeks ago.
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burakkucat

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Re: Huawei 128 Extention?
« Reply #4 on: January 04, 2017, 05:41:23 PM »

The extension had a load of termination blocks inside.

Yes, that is what I would expect.

Quote
I'm not sure what a the inside of a small Huawei cab normally looks like but I could see in this cab that there were the 4 line cards and it looked like there was space in the rack mount for another two is it normal for there to be space to the right of the line cards in one of these cabs?

From your description, it reads as if an expansion card-cage has been fitted as an enhancement of the basic MA5616 chassis.  ;)
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burakkucat

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Re: Huawei 128 Extension?
« Reply #5 on: January 04, 2017, 05:57:30 PM »

. . . I got a photos of the outside.

It's certainly bigger than the extension on the "large", MA5603T equipped, cabinet.

Quote
I apologize for the poor quality, damaged the camera lens on my phone a few weeks ago.

Not to worry, it has given me a "good feeling" for the size of the extension. Thank you for that picture.
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Ignitionnet

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Re: Huawei 128 Extention?
« Reply #6 on: January 07, 2017, 03:10:33 PM »

The "small" Huawei equipped cabinets contain a SmartAX MA5616 MSAN (configured as a DSLAM) and can take a maximum of four line cards. It is highly likely that Huawei have now released an updated line card for the MA5616 -- one with a higher port density per card; hence the need for more space to make the physical connections.

Yes indeed! Thanks to various improvements, presumably the same ones that allowed the move from 48 to 64 ports per service board on the MA5603, they have managed to cram 48 ports on the half-height MS5616 service boards.
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