Inside of a new Telecom Manhole

Inside of a new telecommunications (fiber optic) manhole for the Hub Express System in Boston.
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[@redguitar6062]

A fantastic job. I'd be slightly worried about what seems to be a lack of monitoring of the cover itself for unauthorised access to such a mass of live traffic or flooding of the chamber itself.

[@twdxinfrastructure]

Hello, thanks for your comment! Manhole covers are being replaced with locking security bolts through an ongoing maintenance program as we speak.

[@andrewrixon2347]

Must be nice to work in super clean, dry,empty manholes ! Some of ours in the UK are 100 years old ! With anything from lead/hessian, paper insulated cables to PE cables to fibre ( both solid & blown fibre tubing ) and anything from water to sewerage in them ( yes I have seen it ! ), rats, gas & mud…happy times….

[@redguitar6062]

@@andrewrixon2347 let’s see what they’re like in a few decades 😀

[@redguitar6062]

I have a very cool passive Fiber-based sensor that can alert to intrusion, flooding etc

[@redguitar6062]

@@twdxinfrastructure even so. I have a patented passive intrusion etc. sensor that works over fiber on 1625nm. You just need a head end OTDR. The sensor is vendor agnostic. Might be of interest for your more sensitive access points.