Black Box SHM-NPR User Manual Download | Manualshive

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JUNE 2000

ME721A-M-R3

ME721A-F-R3

ME821A-M-R4

ME821A-F-R4

SHM-NPR and SHM-NPR/RJ

SHM-NPR

DCE

DTE

SHM-NPR

DCE

DTE

CUSTOMER

SUPPORT

INFORMATION

Order toll-free in the U.S. 24 hours, 7 A.M. Monday to midnight Friday: 877-877-BBOX
FREE technical support, 24 hours a day, 7 days a week: Call 724-746-5500 or fax 724-746-0746
Mail order: Black Box Corporation, 1000 Park Drive, Lawrence, PA 15055-1018
Web site: www.blackbox.com • E-mail: [email protected]

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Summary of Contents for SHM-NPR

Page 1: ...MER SUPPORT INFORMATION Order toll free in the U S 24 hours 7 A M Monday to midnight Friday 877 877 BBOX FREE technical support 24 hours a day 7 days a week Call 724 746 5500 or fax 724 746 0746 Mail...

Page 2: ...to cause interference in which case the user at his own expense will be required to take whatever measures may be necessary to correct the interference Changes or modifications not expressly approved...

Page 3: ...o s tano mojado o cerca de una alberca etc 6 El aparato el ctrico debe ser usado nicamente con carritos o pedestales que sean recomendados por el fabricante 7 El parato el ctrico debe ser montado a la...

Page 4: ...contactos y recept culos donde salen del aparato 14 El equipo el ctrico debe ser limpiado nicamente de acuerdo a las recomendaciones del fabricante 15 En caso de existir una antena externa deber ser l...

Page 5: ...on 7 3 Configuration and Installation 9 3 1 Setting DTE or DCE 9 3 2 The Installation Procedure 9 4 Troubleshooting 12 4 1 If You Have Difficulty 12 4 2 Calling Black Box 12 4 3 Shipping and Packaging...

Page 6: ...not support hardware flow control uses RS 232 control leads as power sources transparent to software flow control Operation 4 wire full duplex Data Rate Up to 19 200 bps Maximum Distance Up to 17 mi 2...

Page 7: ...or 9 if the attached device is DCE CAUTION When the device to which a SHM NPR is attached is powered down that SHM NPR also loses power and can no longer send any signals to the remote SHM NPR In thi...

Page 8: ...al DCE DTE switch so you can connect them to any type of RS 232 device without opening their chassis And you can terminate the line between pairs of these units in either of two ways The SHM NPR model...

Page 9: ...terminal The thing to remember about such applications is that if the computer and terminal are too widely separated the host will time out before receiving it receives the terminal s responses In Fig...

Page 10: ...evice side your SHM NPR or SHM NPR RJ is designed to be plugged directly into one of the RS 232 serial ports on a terminal computer serial printer modem etc For most applications this eliminates the n...

Page 11: ...B to RX B the other pair RX A to TX A and RX B to TX B and the shield if the cable is shielded to the ground middle screw on one end of the cable only When you are finished lay the cable in the semic...

Page 12: ...able shield to Pin 1 or 6 on both ends this could cause damaging electrical ground loops Neither should you ever connect these units to the public switched telephone system in any way This could also...

Page 13: ...erminal block 4 Use a cable tester to test the cable for continuity and pinning If you still can t determine what is causing the problem call Black Box Technical Support as described in the next secti...

Page 14: ...NPR or SHM NPR RJ Package it carefully We recommend that you use the original container If you are returning the unit make sure you include everything your received with it Before you ship the unit ba...

Page 15: ...line PIN CIRC DESCRIPTION FUNCTION DIRECTION 1 AA Protective Ground Ground N A 2 BA Transmitted Data Data To DCE 3 BB Receive Data Data From DCE 4 CA Request to Send Control To DCE 5 CB Clear to Send...

Page 16: ...ot more than 20 of peak to peak distortion figures for lines run through electrically noisy environments near fluorescent lighting elevators generators compressors or motors for example will be dramat...

Page 17: ...NOTES...

Page 18: ...1000 Park Drive Lawrence PA 15055 1018 724 746 5500 Fax 724 746 0746 Copyright 2000 Black Box Corporation All rights reserved...

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