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9 Pin Serial Port Color Code

9 Pin Serial Port Color Code

9 pin serial port color code

 

9 Pin Serial Port Color Code >> http://shurll.com/bjn5g

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

9 Pin Serial Port Color Code

 

Signal/pin....primer.....RxD)...4...CA/CJ...RTS...(A )...Request...To...Send...5...CB...CTS...(A )...Clear...To...Send...6...CC...U...Data...Communications...Equipment...Ready...(modem/CSU)...(a.k.a...DSR)...7...AB...Signal...Ground...8...CF...Data...Carrier...Detect...(A )...(a.k.a...DCD,...CD...or...RLSD)...9...DD...Receiver...Signal...Element...Timing...(B-)...RX...Clock...10...CF...-...Data...Carrier...Detect...(B-)...(a.k.a...DCD,...CD...or...RLSD)...11...DA...-...Ext....The....pinout....is....also....shown....for....the....DEC....modified....modular....jack.....Pin..No...Null-Modem....Cable,....two....female....9-pin....D-Sub....Connectors,....DTE-DTE....Connection....Null-Modem....Cable....without....Handshaking,....two....female....Connectors,....DTE-DTE....Connection(for....DTE....to....DCE....connection....a....straight....cable....will....be....used)....Null-Modem....Cable....with....Loopback-Handshaking,....two....female....Connectors,....DTE-DTE....Connection....Null-Modem....Cable....with....Full....Handshaking,....two....female....Connectors,....DTE-DTE....Connection.........RJ45..Pin..Signal..Notes..1..RX1..(Ring..-..negative)..2..RX2..(TIP..-..positive)..3..FGND..(RX..GND)..Ground/Shield..4..TX1..(Ring..-..negative)..5..TX2..(TIP..-..positive)..6..FGND..(TX..GND)..Ground/Shield..7..NC..Unused..8..NC..Unused.....We...have...chosen...to...use...a...minor...variation...on...the...normal...DB9...Null...modem...pinout...above...-...specifically...we...have...allowed...for...RI...which...could...be...used...from...a...peer...PC...to...commence...a...transmission...sequence....

 

The..thread..size..on..an..RS232..receptacle..(the..jackscrew)..is..UNC..4-40...And,...following...a...recent...email...request,...we...discovered...that...the...thread...on...RS-232...(DB9...and...25)...receptacles...is...UNC...4-40....DB25:....View....-....looking....into....male....connector.....A..common..ground..between..the..PC..and..the..associated..device..is..necessary...The..column..marked..422/485..indicates..the..signals..required..for..these..interfaces..-..all..others..are..N.C...

 

DCD...will...indicate...that...a...carrier...has...been...received...but...does...not...indicate...synchronization...of...both...ends....RS-232..serial..cable..(Null..modem)..DE-9..to..DE-9..with..handshake...Use....when....connecting....two....systems....(e.g.....Pin...No....Signal...functions...are...described...in...detail...in...our...Signal/pin...primer....Devices....that....communicate....over....a....serial....interface....are....divided....into....two....classes:....DTE....and....DCE.....However,....there....are....many....permutations....of....signal....sets....that....can....be....used....by....either....end....of....a....connection....and....they....may....not....be....SYMMETRIC.....DB25....Signal....Loopback....to....Signal....3....RD....2....TD....2....TD....3....RD....4....RTS....5....CTS....5....CTS....4....RTS....7....SGND....7....SGND....15....DB....17....DD....20....DTR....6,8,22....DSR,....DCD,....RI....23....CH/CI....23....CH/CI.........The....PC....sends....this....signal....active....( 5V)....to....tell....the....other....device....it....wants....to....send....data....-....and....then....the....other....end....responds....by....sending....CTS....active....(=.... 3. 12V...."Yes,....you....are....Clear....to....Send").....

 

Cables..between..DTE..and..DCE..are..different..from..cables..between..DCE..and..DCE..devices...The...pinouts...shown...below...will...generally...work....This..is..in..response..to..a..number..of..recent..emails..asking..how..to..wire..both..ends..of..a..DB9..connection..using..cat5,..cat5(e)..or..cat6..cable...ACLK).....(male...and...female...connector...diagrams)....The....INPUT....DSR/DCD....on....one....side....is....created....by....cross....connecting....the....OUTPUT....DTR....signal....for....the....other....peer.....RS232..predates..the..PC,..but..even..with..EIA-574..and..the..later..TIA-232-F..the..definitions..still..use..DTE..(Data..terminal..equipment..-..such..as..a..PC..or..equivalent)..and..DCE..(Data..circuit-terminating..equipment..-..such..as..a..modem..or..'dumb..terminal'..or..any..other..device)..as..the..frame..of..reference...PCs)....via....their....DB25....interfaces....without....a....modem....(i.e.....Having....said....that,....if....one....of....the....devices....is....a....PC....and....any....LED....except....RI....(Ring....indicator)....is....not....lit....up,....the....cable....will....probably....not....work.....If....this....pinout....does....not....work....for....you....then....you....could....try....our....Signal/pin....primer....because....you....may....need....to....SPOOF....connections.....

 

DB9...Signal...DB25...Signal...2...RD...2...TD...3...TD...3...RD...4...DTR...6,8...DSR,...DCD...6,1...DSR,...DCD...20...DTR...7...RTS...5...CTS...8...CTS...4...RTS...5...SGND...7...SGND...9...RI...22...RI.......Some...specs...show...use...of...pins...7,8...for...Grounds....While..we..are..on..the..topic..of..wiring,..RS232..does..not..define..a..cable..standard..but..this..may..help..in..choosing..a..suitable..cable...back-to-back)...In...practice,...only...one...serial...communication...channel...with...accompanying...handshaking...is...present....If....you....have....difficulty....in....obtaining....gender....changers,....null-modem..../....straight-thru....cables,....D25/D9....converters....(etc)....email....us,....we....carry....everything....you....could....need....to....test....and....debug....serial....comms,....and....we....can....quote....by....return..... 6313173622

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