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USER
MANUAL

MODEL 1003
and 1003S

Asynchronous, 
2-Wire, Carrier
Sense Short Range
Modem

SALES OFFICE
(301) 975-1000
TECHNICAL SUPPORT
(301) 975-1007
http://www.patton.com

Part #07M1003-B
Doc. #050021UB
Revised 4/28/98

An ISO-9001

Certified Company

Summary of Contents for 1003S

Page 1: ...1003 and 1003S Asynchronous 2 Wire Carrier Sense Short Range Modem SALES OFFICE 301 975 1000 TECHNICAL SUPPORT 301 975 1007 http www patton com Part 07M1003 B Doc 050021UB Revised 4 28 98 An ISO 9001...

Page 2: ...ed to provide reasonable protection from such interference in a commercial installation However there is no guarantee that interference will not occur in a particular installation If the Model 1003 do...

Page 3: ...e host to send a log on screen to the terminal If the received signal is lost or interrupted the carrier detect signal is held low to the host The Model 1003 s carrier sense feature makes it ideal for...

Page 4: ...d to worry about breaking the plastic just be careful not to bend the metal DB 25 connector 6 A Connecting to the RS 232 Interface The Model 1003 and 1003S are designed to plug directly into the DB 25...

Page 5: ...d press together firmly 7 6 Insert the strain relief assembly with the wire going through it into the slot in the bottom half of the modem case and seat it into the recess in the case If the telephone...

Page 6: ...using twisted pair cable with the following characteristics Wire Gauge Capacitance Resistance 19 AWG 9mm 83nf mi or 15 72 pf ft 0163 Ohms ft 22 AWG 6mm 83nf mi or 15 72 pf ft 0326 Ohms ft 24 AWG 5mm 8...

Page 7: ...003 Data Term Ready DTR 20 DIRECTION STANDARD DCE SETTING DIRECTION 1 FG Frame Ground 2 TD Transmit Data From Model 1003 3 RD Receive Data To Model 1003 4 RTS Request to Send From Model 1003 5 CTS Cle...

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