For sale is a never-used SAMSUNG OfficeServ 4TRM Loop Trunk Interface Module (KPOS71BTRM/XAR) (GA92-03079A). It is in its opened factory box. The SAMSUNG OfficeServ 4TRM card is a module designed for the SAMSUNG OfficeServ 7100 and 7200 systems. The SAMSUNG OfficeServ 4TRM (KPOS71BTRM/XAR) card supports four (4) CO line circuits and installs as a daughterboard on the SAMSUNG OfficeServ UNI KPOS71BUNI/XAR. The SAMSUNG OfficeServ 4TRM Loop Trunk Interface Module is a common type of analog trunk interface module that is used in a variety of Samsung OfficeServ PBX systems. It is a reliable and versatile module that can be used to meet a variety of analog trunk line needs. Some examples of the types of analog trunk lines that can be connected to the SAMSUNG OfficeServ 4TRM Loop Trunk Interface Module: PSTN trunk lines T1 trunk lines E1 trunk lines ISDN trunk lines Analog POTS trunk lines The SAMSUNG OfficeServ 4TRM Loop Trunk Interface Module is a key component of many Samsung OfficeServ PBX systems. It allows businesses to connect their analog trunk lines to their PBX system so that they can make and receive calls to and from the PSTN and other PBX systems. The only reason you can return this interface module is if the item becomes inoperable/damaged during shipping. The item must be returned in the same condition it as it was shipped except in a verifiable case of postal damage. The buyer must pay for return shipping. This interface module is owned and stored in a non-smoking home. The household has a cat. I try to leave feedback in a prompt manner, and would certainly appreciate the same. If you have a problem with the product or service, please attempt to resolve the issue with me. In most cases, I can help without resorting to negative feedback on either side. Remember the best way to solve any problem that may arise during the transaction is communication between the buyer and the seller. (Samsung71)