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FXS Interface Cards - The FXS interface cards connect analog phones to the X6004. The
FXS interface cards provide line voltage.
"NEVER connect your FXS ports to your PSTN line. This may damage your
interface card as well as the X6004.
FXO Interface Cards - The FXO interface cards connect to the PSTN or a traditional
PBX. FXO ports always point in the direction of the telephone company’s services.
2.1 Interface Card and Hard Drive Installation
See the User’s Guide for supported interface cards and hard drive specifications. In this
example, the hard drive and the interface card are referred to as expansion modules.
"Make sure the X6004 is turned off when installing or removing a hard drive
or extension cards.
"Ground yourself (by properly using an anti-static wrist strap for example)
whenever working with the device’s hardware or connections.
1Use a Phillips screwdriver to unscrew the thumbscrews and remove the protective
cover from the slot.
2Store the cover in a safe place in case you want to use it in the future.