VG400-2FXS/2FXO Cisco VG400 Analog Voice Gateway with 2 FXS and 2 FXO

Technical Specifications

• 2 FXS ports (RJ-11 ports 0 to 1) for connecting analog devices such as phones, modems, fax machines.
• 2 FXO ports (RJ-11 ports 2 to 3) for connecting to the PSTN or PBX systems.
• Supports FXS loop-start, ground-start, and direct inward dial (DID) signaling.
• Supports FXO loop start and ground start signaling

• FXS loop resistance: up to 600 ohms for short loop length, up to 1400 ohms for long loop length.
• DID loop resistance: up to 1800 ohms.
• On-hook voltage: -44V.
• Off-hook loop current: 25 mA max for short loop length, 35 mA max for long loop length.
• Ring voltage: 54 Vrms into 5 RENs (short loop), 65 Vrms into 2 RENs (long loop).
• Ring frequency options: 20, 25, 30, and 50 Hz.
• REN loading: 5 RENs per port (short loop), 2 RENs per port (long loop).
• Caller ID support: On-hook FSK data and DTMF caller ID.
• Disconnect supervision: power denial (calling party control and far-end disconnect).
• FXS ports support both FSK and DC voltage Message Waiting Indicator (VMWI), defaulting to FSK.

• Dimensions: 1.72 x 12.7 x 10 inches (43.7 x 322.6 x 254 mm).
• Weight: 6.75 lb (3.06 kg).
• Operating temperature: 32º to 104ºF (0º to 40ºC).
• Power: 63W AC input, 100 to 240 VAC auto-ranging

• On-board DSP for voice features and echo cancellation.
• FXO failover bypass ports allow analog phone calls through PSTN during power outages.
• Supports various signaling formats and configurable ring tones for different countries.
• Approved for use in multiple countries including the United States, Canada, CE countries, Australia, and Japan.