Catalog > Consumer Electronics > Electrical Catalog > Consumer Electronics > Electrical > Clearline Electronic Protection CRL 12-00050 CRL 12-00050 CLEARLINE 2 WIRE RJ11 PROTECTOR Discontinued Specifications, Prices & Availability may change without notice. Images are for illustration purposes only. E&OE Overview An in-line protection device for use with modems, digital communicators, alarm panels, cordless phones and other line eqUipment. The BT version is suitable for ISDN applications. Modem protection 2 wire/ISDN - Minitel Features Fully graded protectionCompact designHigh discharge current capabilityEasy installation