Please call for availability.
- Protects up to one T1 or ISDN PRI line per port using RJ-48C/48S connectors
- T1/LL - 2-pairs (pins 1, 2 & 4, 5)
- ISDN BRI/PRI compatible
- Auto Resetting Technology - PTC resistors open when a surge occurs and close when the surge passes
- Expandable System Protection - SurgeGate series base units and modules can be attached to expand system protection as your system grows