Functions & Features
• Transmitting 1-point contact signal through NTT (Nippon Telephone & Telegraph) personal telecommunication line of 50 b/s 
• Approved of Technical Requirements Compliance Approval by Japan Approval Institute for Telecommunications Equipment
• Approval No. M90-N227-0 
• Applicable to various cables types 
• No interference by induction noise
• Lightning protection applicable 
• No field adjustment required 
• Compact plug-in construction easy to install and maintain