8 Channels PCM Voice Telephone Tel over Fiber Optic Converters 100M Ethernet SC
145,23 €
Ringing frequency: 17~60HZ. Ringing frequency: 22~28HZ. Single-mode and multi-mode adaptive, simplex SC interface. Ethernet RJ45 port specifications Bell flow: AC90 plus or minus 15V. Balanced noise: ≤63.7dBmop.
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