This is one of the digital cable boxes that NTL use in various UK cable franchises.
Some Information:
Engineering menu: Don't change stuff in here that you don't fully
understand. Hold the up and down keys on the front panel and power on the system.
Soft restart: Give it the 3 finger salute by pressing OK left arrow and TV at the same time.
Runtime diagnostics and stats: On the remote control press in the
following order: page up, page down, then the blue button.
The PSU has just failed in mine so here's all the goodies inside:
Larger image. It's 500K via 200k connection - if you click it you're obviously very patient.