Designed by ZyXEL, it is a ADSL Modem. The Prestige 600 Series. Specifically, it
is the 642m-11 model. The power adapter is NOT included.
The back contains (see 1st photo bottom) L to R: On/Off button, power,
LAN 10/100M, reset, and DSL line.
The front contains (see 1st photo middle) L to R: power, SYS, 10M (LAN),
100M (LAN), DSL, and ACT.
We put many of the specs above (Item-Specifics) so make sure to check that out too.
We do not have any other info on this other than what you read above. Works.
The company changed to a different brand and this ZyXEL was no longer needed.
This is just the modem. No power supply, software or manuals come with this.
Measurements are approximate:
7" x 5" x 1.25"
ZyXEL Prestige 600 seriesADSL Modem PT-642m-11