Here's some technical information on data networking and communications for your perusal.

• A Glossary of Computer Oriented   Abbreviations and Acronyms
• Networking Magazine http://www.data.com
• The Technology Super Site  http://www.techweb.com/info/publications/ Information Technology
  "IT" & Internet & Computer related information 
• This site is designed to be a help/support resource for Modem users of all ranges
  from beginners to advanced users http://www.modemhelp.org/
• Networking technologies tutorials http://www.arcelect.com/Networking_Technologies_Tutorials_9-16-00.htm

RS232 & Cable Diagrams info (how it works and spec. & pin outs)
X.21  info (how it works and spec. & pin outs)
RS422 info (how it works and spec. & pin outs)
RS423 info (spec. & pin outs)
RS485 info (how it works and spec. & pin outs)
RS449 info (how it works and spec. & pin outs)
RS530 info spec.
V.35 info (how it works and spec.& pin outs)
IEEE-488 info (pin layout)
the USB interface
USOC Codes
Optical Isolation stop ground loops
Ethernet Topologies Over view, cable spec., fiber, 100TX copper, Gigabit Speed nets.
10baseT 100baseTX& Data RJ45 pin out (wiring diagrams)
Did you ever stand there with a LAN cable in your hand and say "how did that pin out go"??
RJ-48C and RJ48S jack pin out
RJ 11C thru RJ48 Jacks - a Glossary 
FDDI info
Fiber Tutorial
SCSI info
LIGHTNING AND SURGE PROTECTION good Tutorial on the subject
Bell Modem Standards The old bell - 103(300bps), 212(1,200bps), 201(2,400bps), 208(4,800bps), 209(9,600)
V. Specifications X. Specifications CCITT Recommendations
NEBS Network Equipment Building System
HDSL Basics
Frame Relay
SMDS Switched Multimegabit Data Service
Lease Line PAD for testing lease line modems
Modems 
modem speed tutorial
Basic AT Command set 
Configuring Your Modem For Optimum Performance
ISDN hot stuff!
PCMCIA Cards this is the hardest info to come by if you own a laptop (where does that all stuff plug in to) - like modems, Networks cards ect.??.

Power Supplies

Temperature Conversion table 

Links to some Patton Electronics tech pages

Here's some shareware Communications software

• DOS version of ProComm in a zip file   -  this  program is an old DOS version  but easy to use
   

• SIMPle TERMinal  Serial Troubleshooting Tool zip file.
  SIMPTERM is a simple shareware tool that can be used to troubleshoot RS-232,  RS422 or RS-485 serial communications.  This is an old DOS version - It allows up to four ports, at any address and IRQ, to be opened at any given time.
  

• if you do not have software to unzip these files please see
  http://www.winzip.com/ddchomea.htm for an evaluation copy
   

• Other sites in the Data Communications DCE family
   

  DCE WEB SITES

  http://www.data-connect.com/                 DCE Main web site

  http://www.dataconnectus.com/              DCE Branded Products only web site

  http://www.wirelessnetworksupply.com/  DCE Wireless solutions web site

  http://clickitdirect.com/                              DCE Ecommerce web site for DCE Brand and other popular DCE brands

  https://www.dceexpress.com/                  DCE PA web site

  https://www.copperlinkextenders.com      Patton CopperLink website
  
  https:/smartnodevoip.com                        Patton SmartNode website

  ARC WEB SITES

  http://www.arcelect.com/                         ARC Main web site

  http://www.data-com-experts.com/          ARC Secondary web site

  IDPC WEB SITES

  http://idpc.com/                                         IDPC Main web site

  http://dsl-warehouse.com/                        IDPC Ecommerce web site for DSL solutions

ARC Electronics
301-924-7400 EXT 25

E-Mail us at - arc@arcelect.com... 

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