The 900A alarm filters are designed to allow residential alarm panels to take control of the main phone line via the RJ31X or RJ38X connector. The 900A blocks DSL service to the alarm panel while providing uninterrupted DSL service to the household telephone wiring. This in-line filter is designed to plug into a RJ31X jack, including other similar jacks up to RJ38X.

Product Features

• Customer installable
• Automated alarm dialer compatible high-speed Internet device
• FCC Registered; Complies with Part 68, FCC Rules
• UL Listed; Standards - 1863

Product Specifications

• Stop-band isolation greater than 25 dB from 25 kHz - 1.2 MHz
• REN = 0.2 B (AC)
• DC resistance from Tip to Tip and Ring to Ring is less than 20 Ohms
• Loading capacity on telephone port is less than 60 nF
• Attenuation Distortion is less than 0.4 dB
• Dimensions: 3.0" L x 1.0" H x 0.8" D
• Color: (50) Ivory

Ordering Information

Part Number:  900A-50      900A-50 In-line DSL Alarm Filter (pins 4 & 5, 1 & 8)