Towermax DS 25 Module

- Digital Station Set Protector- Protects up to 25 2-wire or up to 12 4-wire digital station line using RJ21X (Amphenol) connectors (Pins 1-50, Male inFemale out).- Auto-Resetting Technology: PTC resistors open when a surge occurs, protecting your equipment, but unlike other fuses, the PTCs close again once the surge passes.- Expandable modular system - Applications: Digital PBX or KSU - Agency Approval: UL 497A (Secondary) - Grounding Requirements: Uses Electrical AC Ground - Recommended Grounding Impedance: <0.5 Ohm - Signal Perfect Circuitry - Auto-Resetting PTCs: 160 mA (8-10 Ohms) - Clamping Level: 110V - Response Time: 1-5 Nanoseconds - Capacitance: <50pF - Suppression Modes: Metallic and Longitudinal - Wires Protected: 25-pair - Termination Type: RJ21X (Male inFemale out)