No. It's a modem/router in bridge mode.
Unlocking it is easy. Many people do that to get at the line stats which on FTTC are sometimes very useful as the bin layouts re very different from ADSLx.
As I said, a few people have used it as a modem/router, with no problems that I'm aware of.
My broadband basic info/help site - www.robertos.me.uk
| Domains,site and mail hosting - Tsohost
Connection - Plusnet
UnLim Fibre (FTTC). Sync ~ 56.6/14.1Mbps @ 600m. - BQM
"Angels can fly because they can take themselves lightly."
- G K Chesterton.