The CMSP-DT-4 is a high performance 3-stage lightning protector that provides superior protection for up to four DSL, Telephone and T1 lines from transients and surges.

Failsafe Feature

The CMSP-DT-4 is designed to convert into a failsafe mode in the rare case of a catastrophic surge or lightning event. For this mode, the resistors in the second stage will fuse and portions of the diode array will short. This effectively disconnects the line from sensitive equipment thus limiting damage. The individual protector modules are field replaceable.

The CMSP-DT-4 features eight RJ11 jacks for ease of installation. The rugged aluminum chassis can be wall or shelf mounted. Mounting holes are provided on the unit.

For additional information and complete specifications, see data sheet below.

This protector is also available in a quad 19 rack mount version, see RMSP-DT-4.

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• Protects 4 telephone/DSL lines
• 3-Stage surge protection
• Superior to diode or TVS only based designs
• RJ11 Jacks with provision for shielded cables
• Field replaceable modules