<p>We've got these rack mounted video transmission units in a server/equipment room, and they're labeled "The Fox dBm Digital Broadband Multiplexer", but I cannot find a single relevant Google result for this product.</p>

<p>As far as I can tell, they convert analog video to some digital format for transmission over fiber optic lines, then back to analog at the receiving end.  They were installed c. 2001.</p>

<p>Any information would be helpful, because we've got a few cameras that are having degraded quality and we need to start troubleshooting.</p>

<p>Here's what they look like:
<a href="https://i.sstatic.net/2is1n.jpg" rel="nofollow noreferrer"><img src="https://i.sstatic.net/2is1n.jpg" alt="Logo"></a><a href="https://i.sstatic.net/dZR1f.jpg" rel="nofollow noreferrer"><img src="https://i.sstatic.net/dZR1f.jpg" alt="Front of rack"></a><a href="https://i.sstatic.net/vsgvm.jpg" rel="nofollow noreferrer"><img src="https://i.sstatic.net/vsgvm.jpg" alt="Back of rack"></a><a href="https://i.sstatic.net/1LLl9.jpg" rel="nofollow noreferrer"><img src="https://i.sstatic.net/1LLl9.jpg" alt="Back of rack closeup"></a></p>

CC BY-SA 4.0
2019-09-04T03:41:34.603Z
Seems to be made by ABB. https://new.abb.com/search/results#query=fox%20digital%20multiplexer
stib
CC BY-SA 4.0
2019-09-04T13:38:26.363Z
Ah, @stib beat me to it.  https://new.abb.com/network-management/communication-networks/optical-networks
Jason Conrad
CC BY-SA 4.0
2019-09-04T21:38:39.437Z
Duckduckgo FTW!
stib
<hardware>
Can anyone help me identify the manufacturer of this video equipment?
Ryan C
# Can anyone help me identify the manufacturer of this video equipment?

(Asked by: username_0 on 2019-09-03)

We've got these rack mounted video transmission units in a server/equipment room, and they're labeled "The Fox dBm Digital Broadband Multiplexer", but I cannot find a single relevant Google result for this product.

As far as I can tell, they convert analog video to some digital format for transmission over fiber optic lines, then back to analog at the receiving end. They were installed c. 2001.

Any information would be helpful, because we've got a few cameras that are having degraded quality and we need to start troubleshooting.

Here's what they look like:
[![Logo](https://i.sstatic.net/2is1n.jpg)](https://i.sstatic.net/2is1n.jpg)[![Front of rack](https://i.sstatic.net/dZR1f.jpg)](https://i.sstatic.net/dZR1f.jpg)[![Back of rack](https://i.sstatic.net/vsgvm.jpg)](https://i.sstatic.net/vsgvm.jpg)[![Back of rack closeup](https://i.sstatic.net/1LLl9.jpg)](https://i.sstatic.net/1LLl9.jpg)

**Tags:** hardware

> **Comments:**
> **username_1**: Seems to be made by ABB. https://new.abb.com/search/results#query=fox%20digital%20multiplexer  
> **username_2**: Ah, @username_1 beat me to it.  https://new.abb.com/network-management/communication-networks/optical-networks  
> **username_1**: Duckduckgo FTW!  

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## 0 answers

