RAD SRM-5A Miniature Async Short Range Modem pdf data sheet
RAD SRM-5A Miniature Async Short Range Modem pdf data sheet
RAD SRM-5A Miniature Async Short Range Modem pdf data sheet
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• <strong>Async</strong>hronous transmission rate of up to19.2 kbps• Transmission range (max): 12 km(7.5 miles)• No AC power required• Transformer isolated• V.24/RS-232-C interface• Compact, lightweight, easy to install• DCE/DTE switch• Internal filter protection against conductedor radiated noise• Two line connectors: terminal block plusRJ-45 or RJ-11 connectorFigure 1. Typical Application
SpecificationsData RateUp to 19.2 kbpsTransmission Line4-wire, unconditioned dedicated line(two twisted pairs)Transmission Mode<strong>Async</strong>hronous, full-duplexTransmission ControlsDSR (Circuit 107) turns on immediately after theDTE raises DTR (Circuit 108/2)CTS (Circuit 106) and DCD (Circuit 109) turn onimmediately after the DTE raises RTS(Circuit 105)Transmission Level0 dBmTransmission <strong>Range</strong>Up to 12.0 km (7.5 miles)(See Table 1)Digital InterfaceV.24/ RS-232 25-pin, male or female integralconnectorLine Interface5-screw terminal block and either anRJ-45 or an RJ-11 socket
PowerNone required; uses ultra-low power from theV.24/RS-232 <strong>data</strong> and control signalsPhysicalLength: 52 mm (2.1 in)Width: 53 mm (2.1 in)Height: 18 mm (0.7 in)Weight: 42 g (1.5 oz)EnvironmentTemperature: 0°-50°C (32°-122°F)Humidity: up to 90%, non-condensingSafetyThe exclamation point within an equilateraltriangle alerts the user to the presence of importantoperating and maintenance (servicing) instructionsin the literature accompanying the appliance.All connections should only be performed by askilled technician who is aware of the hazardsinvolved. The digital interface of the <strong>SRM</strong>-<strong>5A</strong> mustbe connected to equipment that is connected toprotective earth at all times, or to equipment thathas double or reinforced insulation between themains and the protective earth.
DECLARATION OF CONFORMITYMfr. Name: <strong>RAD</strong> Data Communications Ltd.Mfr. Address: 24 Raoul Wallenberg St.Tel Aviv 69719, Israeldeclares that the product:Product Name: <strong>SRM</strong>-<strong>5A</strong>Conforms to the following standard(s) or othernormative document(s):EMC: EN 55022:2006 + A1:2007EN 55024:1998 + A1:2001 + A2:2003EN61000-3-2:2000 + A2:2005EN61000-3-3:1995 + A1:2001Safety: EN 60950-1:2005Supplementary information:The products herewith comply with therequirements of the Low Voltage Directive2006/96EC and R&TTE Directive 99/5/EC for wiredequipment. The products were tested in a typicalconfiguration.Tel Aviv, 15 August 2009Haim KarshenQuality ManagerEuropean Contact: <strong>RAD</strong> Data CommunicationsGmbH, Otto-Hahn-Str. 28-30, 85521Ottobrunn-Riemerling, Germany
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