VG224
24 Port Voice over IP analog phone gateway
PI DATE: July 2006 * Cisco VG 224 Analog Phone Gateway * RISC processor * 128 MB SDRAM Memory (default) * 64 MB Internal Flash (default) * 1 Slot Type II Compact Flash * 2 x 10/100BASE-T Ethernet ports * Console/auxiliary (max): Up to 119.2 kbps per port * Dimension 444.5 x 44.4 x 342.9 (W x H x D) * 50V if no DC offset Ring Voltage * 20, 25, 30, 50 Hz Ring Frequency * 20V and 24V DC offset will be trapezoidal ;Sine wave if no DC offset Ring Waveform * 1400 ohm + 40F Ring Load (Up to three ports at one time) * Up to 600 ohm (including the phone or terminal equipment) Loop Resistance * 25 mA (maximum) Off-Hook Current * 600 ohm complex, 600 ohm real, 900 ohm complex, 900 ohm real, complex1, & complex2 RJ-11 FXS Port Terminating Impedance Option * Cisco VG 224 is a Cisco IOS Software-based high-density 24-port gateway for analog phones, fax machines, modems, and speakerphones within an enterprise voice system based on Cisco Unified CallManager