Zoom 1064 Series User Manual page 45

The back panel of the X4 looks like this:
Port or Description
button
DSL
Connects the modem to the ADSL telephone wall jack.
USB Connects the modem to the USB port of a Windows
computer.
RESET Resets the modem to its factory settings. To reset,
insert a paper clip and press the button three times.
ETHERNET Connects the modem to an access point, a network hub,
LAN or the Ethernet port of a computer.
POWER
Connects the modem to the power adapter.
Appendix B. Front and Back Panels 45