GDI SM560SA 56K Dialup Modem
GDI SM560SA 56K
Dialup Modem
SM560
57600 bps, Internal 170 or
Rack Mount
1-301-924-7400 ext. 17
Features
GDI Smart Modem SM560SA
* V.90/K56flex Autospeed
* Error Correction / Data Compression
* Call Monitor Speaker
* Standard “AT” Command Set
* Integral Power Supply
* Dual RS232/RS485 Interface
* Wide Operating Temperature Range –37 to +74oC
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.
The GDI Smart Modem SM560SA offers 26 data rates from 300 to 56,000 bps. The GDI
Smart Modem SM560SA is “AT” command set compatible with auto-dial, auto-answer,
and auto-speed detect. The GDI Smart Modem is compatible with the GDI Smart
Modem SM336A dial-up modem. The internal fused power supply eliminates the
common “brick” external power supply.
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