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Modulation Multi-dimension TCM(2400 ~ 33600bps), QAM&TCM (4800 ~ 14400 bps), QAM(2400bps), DPSK(1200bps), FSK(0 ~ 300bps) Compatibility 28,800bps Series : ITU-T V.34 / V.32bis / V.32 / V.22bis / V.22 / V.21 / V.23, VFC, Bell 103/212A/V.13 HDX14,400bps Series : ITU-T V.32bis / V.32 / V.22 / V.22bis / V.21 / V.23 ,Bell 103/212A/V.13 HDX Operation Full duplex or simulated half duplex signalling on 2-wire PSTN or 2/4-wire leased line with dial backup, Power-on auto dial-up with auto re-dial, Power-on leased line auto connection, Auto dial, Auto answer, Manual dial, Manual answer Synchronous/Asynchronous Rack Size 16 pieces of Modem per Rack with NMS CM card in Standard 19" Rack Shelf DTE Speed 28,800bps Series : 115200 / 57600 / 38400 / 19200 / 9600 / 4800 / 2400 / 1200 / 300bps Error Control ITU-T V.42 and MNP4 Compression ITU-T V.42bis and MNP5 Command Coimpatible Hayes 'AT' Extended command set or V.25bis command set Diagnostic Loop back test (Digital, Analog, Remote digital)with test pattern, power on self test Flow Control Xon / Xoff, CTS / RTS, DTR / DSR uni- or bi-directional Front Panel 10 LED status displays LCD Control Operation by menu driven with password lock Security Call back security with Max.10 telephone numbers and password Retrain Auto or manual-retrain with fall forword / fall back rate negotiation Storage Max. 10 telephone numbers and 4 user profiles Remote Configuration Via Secondary Chanel while with Network Management System option Receive Sensitivity Selectable from 0 to -33 dBm or -4 to -43 dBm Transmit Level Selectable from 0 to -31 dBm Call Progress Monitor Busy tone, Dial tone, Ring back Cellular Phone Protocol MNP 10 Line Interface RJ-45 modular jack or 8 position terminal block Terminal Interface EIA RS-232C D-type 25 pin connector with ITU-T V.24 / V.28 recommendation Environment Operating Temperature : From 0℃ to 45℃ Power Requirment AC 90 ~ 260 Volts / 47~63 Hz, or DC -48 Volts 80 Watts Maximum Network Management System (NMS) Option |
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