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GDI SM560SA 56K Dialup Modem
Description The GDI Smart Modem SM560SA is an AT command
set compatible dial-up modem. This modem has been designed specifically for the
demands of the traffic industry. The GDI Smart Modem SM560SA can be used to
communicate with traffic controllers, variable message signs, dial-up to the web
or most any other dial-up application that requires communications over the
public switched network.
General Specifications
General Modulation Quadrature Amplitude Modulation FSK and DPSK Serial Interface 115.2 kbps max, V.24/V.28, V.34 RS232/RS485
compatible Data Rates 56, 54-36, 33.6, 31.2, 28.8, 26.4, 24, 21.6, 19.2,
16.8,14.4,12, 9.6, 7.2, 4.8, 2.4, 1.2 and 0.3 Kbps Automatic selection for highest error free rate 230,400 maximum throughput Compatibility As a Data Modem Bell 103, Bell 212A, V.22A/B, V.22bis, V.32, V.32bis, V.34, and
V.90/K56Flex As a Fax Modem V.17, v.21 channel 2, v.27ter, v.29, and V.33 Data Compression V.42bis, MNP5 Error Correction V.42 LAPM, MNP2-4, MNP10 Loop Tests V.54 Loop 2 (RDL) and Loop 3 (LAL) Modes Asynchronous full or half duplex Automatic/manual call originate and answer PC Compatible Serial Plug and Play Data & Line Interfaces Data RS232C and RS485 via DB-9S Phone handset RJ11 Phone line RJ11 Telephone Line Interfaces FCC compliant Part 68 and Part 15 Line Interface RJ11, 600 ohms, Public Switched Network Ring Equivalent 1 Bel Return Loss Better than 14dB from 200 to 4000 Hz Dialing Pulse and Tone Receiver Performance Signal to Noise Ratio -26 dB Dynamic Range -12 dBm to –42 dBm Ring Detect Sensitivity 38 VRMS Transmit and Receive Frequencies Data Carrier 1800 +/- 0.5 Hz Calling Tone 1300 +/- 10 Hz Answer Tone 2100 +/- 15 Hz Receive Frequency +/- 14 Hz Transmit Level Fixed at –11 +/- 2 dBm Indicators Power, TXD, RXD, DCD, DTR, RI, DSR/OFF HOOK Switches DTR On/Off RS485 Data Standard or Inverted RS485 Control Lines Standard or Inverted Power Requirements Voltage 90 to 130 VAC (Standard) 180 to 260 VAC (optional) Frequency 60 Hz +/1 3 Hz Power 6 watts maximum Mechanical Size 1.5" H x 5.5" W x 8.5" D Weight 2 lbs Environmental Temperature Range -37 to 74 Humidity 5 to 95% non-condensing
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Features
GDI Smart Modem SM560SA