COURIER HIGH SPEED MODEMS APPENDIX H. TECHNICAL SPECIFICATIONS USROBOTICS HIGH SPEED TECHNOLOGY (HST) 14.4K bps, synchronous/asynchronous, asymmetrical, 14.4K/450 or 14.4K/300 bps with automatic handshake adjustment to 300 bps, Trellis Coded Modulation (TCM), Quadrature Amplitude Modulation (QAM) 12K bps, synchronous/asynchronous, asymmetrical, 12K/450 or 12K/300 bps with automatic handshake adjustment to 300 bps, Trellis Coded Modulation (TCM), Quadrature Amplitude Modulation (QAM) 9600 bps, synchronous/asynchronous, asymmetrical, 9600/450 or 9600/300 bps with automatic handshake adjustment to 300 bps, Trellis Coded Modulation (TCM), Quadrature Amplitude Modulation (QAM) 7200 bps, synchronous/asynchronous, asymmetrical, 7200/450 or 7200/300 bps with automatic handshake adjustment to 300 bps, Trellis Coded Modulation (TCM), Quadrature Amplitude Modulation (QAM) 4800 bps, synchronous/asynchronous, asymmetrical, 4800/450 or 4800/300 bps with automatic handshake adjustment to 300 bps, Quadrature Amplitude Modulation (QAM) CCITT V.32 BIS 14.4K bps, synchronous/asynchronous, Trellis Coded Modulation (TCM) Technical Specifications H-1 COURIER HIGH SPEED MODEMS 12K bps, synchronous/asynchronous, Trellis Coded Modulation (TCM) 9600 bps, synchronous/asynchronous, Trellis Coded Modulation (TCM) 7200 bps, synchronous/asynchronous, Trellis Coded Modulation (TCM) 4800 bps, synchronous/asynchronous, Quadrature Amplitude Modulation (QAM) H-2 Technical Specifications COURIER HIGH SPEED MODEMS ADDITIONAL COMPATIBILITY FEATURES CCITT V.25 2100 Hz tone CCITT V.23, 1200 bps, asymmetrical (1200/75 bps), Frequency Shift Keying (FSK) CCITT V.22 bis, 2400 bps, synchronous/ asynchronous, Quadrature Amplitude Modulation (QAM) CCITT V.22, 1200 bps, synchronous/asynchronous, Differential Phase Shift Keying (DPSK) Bell 212A, 1200 bps, synchronous/asynchronous, Differential Phase Shift Keying (DPSK) Bell 103, 300/110 bps, asynchronous, Frequency Shift Keying (FSK) CCITT V.21, 300 bps, asynchronous, Frequency Shift Keying (FSK) 300/110 bps, asynchronous, variable Frequency Shift Keying (FSK) USRobotics HST error control protocol, asymmetrical mode, at 14.4K/12K/9600/7200/4800 bps, 450/300 bps back channel CCITT V.42 error control protocol at 14.4K/12K/9600/7200/4800 bps (V.32 bis mode) and at 2400/1200 bps CCITT V.42 bis data compression Microcom Networking Protocol (MNP) error control protocol, Levels 2-4 at Technical Specifications H-3 COURIER HIGH SPEED MODEMS 14.4K/12K/9600/7200/4800 bps (V.32 bis mode) and at 2400/1200 bps Microcom Networking Protocol (MNP) Level 5 data compression at 14.4K/12K/9600/7200/4800/2400/1200 bps DB-25 RS-232 terminal/modem interface Superset of industry standard AT command set, S-registers, DIP switches Optional MI/MIC closure Optional pulsed DSR H-4 Technical Specifications COURIER HIGH SPEED MODEMS DTE RATES 38.4K, 19.2K, 9600, 4800, 2400, 1200, 300, 110 bps LINK RATES 14.4K, 12K, 9600, 7200, 4800, 2400, 1200, 300, 110 bps ONLINE FALLBACK/FALL FORWARD 14.4K, 12K, 9600, 7200, 4800 bps PHONE LINE INTERFACE RJ11, RJ45S phone jacks COMMUNICATIONS CHANNEL Full/half duplex on 2-wire dial-up, dedicated, or leased phone lines; demand-driven high speed channel turnaround in HST mode; symmetrical speeds in V.32 bis mode OPERATIONAL MODES Synchronous/Asynchronous, Auto Dial/Answer, Manual Originate/Answer, Smart/Dumb mode DIALING Rotary (pulse 0-9), Touch-Tone (DTMF 0- 9, #, *), a-z when in Quote (") Mode Technical Specifications H-5 COURIER HIGH SPEED MODEMS DATA FORMAT Binary, serial; defaults to 7-bit word length, even parity Start Data Stop Bits Bits Parity Bits 1 7 Even, Odd 1 Mark, Space 1 7None, Even, Odd,2 Mark, Space 1 8 None 1, 2 H-6 Technical Specifications COURIER HIGH SPEED MODEMS FRONT PANEL STATUS LIGHTS HS High Speed (above 2400 bps) AA Auto Answer/Answer CD Carrier Detect OH Off Hook RD Received Data SD Send Data TR Terminal Ready (DTR) MR Modem Ready/Test Mode RS Request to Send CS Clear to Send SYN Synchronous Mode ARQ Error control connection established FLOW CONTROL BUFFERS Transmit Buffer Error control: 3.25k bytes Non-Error control: 1.5k bytes, 128- byte option Receive Buffer: 2K bytes COMMAND BUFFER 40 characters, exclusive of AT prefix, Carriage Return and spaces TEST OPTIONS Analog loopback with test pattern Remote digital loopback Digital loopback Test pattern Dial test Technical Specifications H-7 COURIER HIGH SPEED MODEMS CALL PROGRESS CODES NO DIAL TONE BUSY NO ANSWER RINGING VOICE FAILED CALL TIMEOUT 60-sec. default, programmable 2-255 sec. ANSWER TONE TIMEOUT 60 sec. ANSWER TONE DETECTOR 2200-2300 Hz LOSS OF CARRIER (DISCONNECT TIMER) 0.7-sec. default, programmable 0.2-25.5 sec. EQUALIZATION Adaptive TRANSMITTER CARRIER FREQUENCIES USR-HST, 450 bps back channel Originate Mode:375 Hz Answer Mode:1800 Hz USR-HST, 300 bps back channel Originate Mode:350 Hz H-8 Technical Specifications COURIER HIGH SPEED MODEMS Answer Mode:1800 Hz V.32 bis Originate Mode:1800 Hz Answer Mode:1800 Hz Technical Specifications H-9 COURIER HIGH SPEED MODEMS V.23 Originate Mode: Mark:390 Hz Space:450 Hz Answer Mode: Mark:1300 Hz Space:2100 Hz V.22 bis, V.22, Bell 212A Originate Mode:1200 Hz Answer Mode:2400 Hz Bell 103 Originate Mode: Mark:1270 Hz Space:1070 Hz Answer Mode: Mark:2225 Hz Space:2025 Hz V.21 Originate Mode: Mark:980 Hz Space:1180 Hz Answer Mode: Mark:1650 Hz Space:1850 Hz RECEIVER CARRIER FREQUENCIES USR-HST, 450 bps back channel Originate Mode:1800 Hz Answer Mode:375 Hz USR-HST, 300 bps back channel Originate Mode:1800 Hz Answer Mode:350 Hz V.32 bis Originate Mode:1800 Hz Answer Mode:1800 Hz H-10 Technical Specifications COURIER HIGH SPEED MODEMS V.23 Originate Mode: Mark:1300 Hz Space:2100 Hz Answer Mode: Mark:390 Hz Space:450 Hz V.22 bis, V.22, Bell 212A Originate Mode:2400 Hz Answer Mode:1200 Hz Bell 103 Originate Mode: Mark:2225 Hz Space:2025 Hz Answer Mode: Mark:1270 Hz Space:1070 Hz V.21 Originate Mode: Mark:1650 Hz Space:1850 Hz Answer Mode: Mark:980 Hz Space:1180 Hz RECEIVE SENSITIVITY - 44 dBm + 2 dBm TRANSMIT LEVEL - 9 dBm maximum TRANSMITTER FREQUENCY TOLERANCE .01% Technical Specifications H-11 COURIER HIGH SPEED MODEMS CERTIFICATION FCC Part 68 and Part 15, Class B Domestic; DOC (Canada), UL listed POWER CONSUMPTION 5 watts SIZE 8.30 x 12.65 x 1.57 inches H-12 Technical Specifications