Specifications 8-1B1272M001 BARNETT ENGINEERING LTD. ProTalk Cv28 Specifications8.1 GeneralAlarm Inputs • 8 inputs: analog or digital, latching or momentary; plug inscrew terminal block.• analog: 0 to 5 VDC, 100k input impedance• digital: normally open or normally closed, ground closureor +10 to +30 VDC input; optionally configured foracknowledge input.Control Outputs • 8 independent open collector outputs controlled by DTMFcodes; voice announcement when operated; plug in screwterminal block; optionally configured for alarm statusindication. Rated 0.4 A, 50 volts max.Programming Connection • DB9 - RS232, 9600 baudRecord Connection • RJ11, using standard telephone setVoice Quality • Digitized, toll quality, 32 kbps ADPCMPower • +11 to +28 VDC, 125 mA idle, 750mA transmitting; plugin screw terminal blockEnvironment • -30oC to +50oCPhysical • 8.5"L x 6.0"W x 3.0"DCellular Telephone • Internal Kyocera M200 CDMAAntenna Impedance • 50 ohms8.2 Programmable FeaturesVoice Messages • Site identification, Group identification, Alarm inputs, andcontrol outputs; 60 seconds maximum, non-volatileAlarm Type • Individually configured for digital normally open, digitalnormally closed, or analog 0-5 VAnalog Alarm Range • -999.9 to +999.9Alarm Groups • Alarms can be assigned to one of 8 groups. All alarms in agroup use the same directory when calling out.Shifts • Up to 4 shifts can be used. The current setting of the shiftinstructs a group to use one of the six directories.Interval Timer • Two-stage timer which uses the short interval several timesbefore switching to a long interval. Short and long