Voice over Fiber with In-Band Management: FRM220-FXO/FXS-4

FRM220-FXO-4, FRM220-FXS-4

4x FXO over fiber & 4x FXS over fiber

4x FXO over fiber & 4x FXS over Fiber Card: FRM220-FXO/FXS-4

FRM220-FXO-4/FXS-4 are 4 channel POTS (Plain Old Telephone System) over fiber converter/extender. The four POTS connection uses standard RJ-11C modular connectors for each copper pair connection. A pair of FRM220-FXO-4/FXS-4 is required to implement an end to end system. FXO type unit connects to a telephone line (PSTN) or PBX station line and has ability to detect ringing voltages and to act as a telephone. FXS type unit is the reciprocal unit and has ability to act as PSTN and connects to a telephone device. Two FXS cards may be connected back-to-back to provide a private "hot line".

When the FRM220-FXO-4/FXS-4 cards are placed in the FRM220 rack with SNMP management, in-band management allows configuring and viewing the card and remote converter's status, type, version, fiber link status, on hook status and alarms. When placed in a single slot chassis and used standalone without management, the card may be configured by DIP switch.

  • Extend telephone voice transmission up to 120km over fiber
  • Network management via terminal, web or SNMP in FRM220 (NMC)
  • Supports telephone voice transmission
  • Supports FXS to FXS hot line
  • Supports caller ID Pass-Through
  • Supports FAX and Modem transmissions

Figure 1 : Automatic Ring down hotline

Automatic Ring down hotline

Figure 2 : Voice transmission from 2km to 120km over fiber

Voice transmission from 2km to 120km over fiber

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