On-board Processors, Memory

Main Processor: 33MHz Analog Devices DSP 2181
Memory: 16K x 24bits internal program memory, 16K x 16 bits internal data program

Host Interface

Bus Compatibility: ISA PC AT
Bus Speed: 8 MHz
Base Address: PnP

Telephone Line Interface

Trunk Type: 2 wire analog
Impedance: 600 Ohms (USA)Ring Detection: 22 Vrms minimum/100 maximum, 15 Hz minimum/50Hz maximum
Frequency Response: 300 to 3400 Hz +/- -3dB
Connector: RJ-11 4/6

Telephone Set Interface

Impedance: 600 Ohms
Signal/Noise Ratio: 50 dB
Frequency Response: 300 to 3400 Hz +/- -3dB
On/Off Hook Detection: Voltage sense
Power Supply: 17V
Power Loss Emergency Switch: Bypass relay

Audio Interface

Line Output Impedance: 47 Kohms
Line Output Signal Range: 1Vpp

Audio Subsystem

Chipset: AD1815JSA Soundcomm (for audio off-line)
Sampling Rate: 4 to 55,2 kHz
Resolution: 16 bits PCM
Chipset: AD1843 (for audio on-line)

Microphone Input

Connector: Mono or stereo 3.5 mm jack socket
Input Impedance: 600 W
Maximum Mic Input Voltage: 200 mV
Minimum Mic Input Voltage: 10mV
Microphone Input Gain: PhoneRider Automatic Gain Control
Echo Cancellation: Auto-regulated

Environment

Operating Temperature: 10° to 40° C
Storage Temperature: 5° to 55° C, <80% relative humidity, non-condensing

Form Factor

176 mm (L) x 114 mm (H) x 22 mm (T) (including plastic cover of the DAA)

Regulatory Certification

United States: Complies with FCC Part 15 Class B, FCC Part 68, and UL 1950
Canada: Complies with CS03 Issue 8, and CSA950