Excalibur 2 PORT - EX-CALIBUR TELEPHONE LINE SURGE PROTECTION UNIT WITH LED INDICATION 4 Socket Extension Boards  (Black, 0 m)

This product is used to protect the Trunk ports of EPABX System or any Landline Telephone line related products such as Landline Telephone Instruments, Cordless phones, Modems, Voice Loggers, etc. against high voltages hitting the telephone lines due to Lightning, Thunder, etc. It has two input ports and two output ports and two LED indications. The LED for a line will be ON, only if the main telephone line and the two fuses inside this product for that line are working. If an LED is ON, then it is an indication that the input voltage for that line is reaching the output port. The main telephone lines or CO lines (BSNL, MTNL lines) should be connected to the inputs of this product and the outputs of this product should be connected to the device that needs to be protected such as the Trunk ports of EPABX System or Landline Telephones or Cordless phones or the inputs of MODEMS or inputs of VOICE LOGGERS, etc.