Technical FAQ

Question 1: Does my application require a primary or secondary rated protector?

Answer: A primary protector is only required if the line being protected comes from the outside of the building, either directly from the telco, between campus buildings or as the local electrical code requires. See the "Grounding Reference" for grounding instructions.


Question 2: How come my POE (Power Over Ethernet) protector does not allow my data to go through?


Answer: The Linx CAT5 and CAT6 POE protectors are IEEE802.3af (standard POE) compatible. Some Cisco brand systems use a non-standard POE configuration, in which case use the Linx  CAT6-75, CAT6-75/PoE-RJ45,CAT6-75-MM, CAT6-75-OP, CT6-PoE-RJ45 protector.


Question 3: There is no data throughput after I installed the CAT6-LAN ethernet protector.


Answer: Is your system configured as a Power Over Ethernet (POE)? Possibly, the powered data pairs are being clamped by the 16V data protection circuit. If the LAN is not configured as a POE system, then make sure that the input punch-down matches the output punch-down.


Question 4: My digital phone will not ring after installing a UP3P-39 (39V), 66-Block Protector.


Answer: Some digital phone systems actually are able to ring analog phones (hybrids). The 39V protector will clamp the ring voltage of that line. The solution is to use a higher voltage clamping device, such as a UP3B-100 (100V) for this line. This will allow for the higher ring voltage and offer the same ultrafast transient protection.

Question 5: My new CAT6-LAN will not allow a signal to pass on my phone line.

Answer: The 16V clamp on the CAT6-LAN will not allow the phone line operating voltage to pass. For an analog line with a ring voltage, use CAT6-235, or CAT6-235-RJ45

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