Cable Guide
For all PortServer
®
TS, Digi Connect
®
,
and Digi One
®
Products
90000253_G
© Digi International Inc. 2013. Digi, Digi International, the Digi logo, Digi One,
Digi Connect, PortServer TS, and RealPort are trademarks or registered trademarks of
Digi International, Inc. in the United States and other countries. worldwide. All other
trademarks are the property of their respective owners.All other trademarks are the
property of their respective owners.
Information in this document is subject to change without notice and does not represent
a commitment on the part of Digi International.
Digi provides this document “as is,” without warranty of any kind, either expressed or
implied, including, but not limited to, the implied warranties of fitness or merchantability
for a particular purpose. Digi may make improvements and/or changes in this manual or
in the product(s) and/or the program(s) described in this manual at any time.
This product could include technical inaccuracies or typographical errors. Changes are
periodically made to the information herein; these changes may be incorporated in new
editions of the publication.
Ta b l e o f C o n t e n t s
Chapter 1 EIA-232 asynchronous interface
General EIA-232 cable information........................................................................................9
Physical cable characteristics ........................................................................................................ 9
Grounding requirements ................................................................................................................ 9
Environmental requirements .......................................................................................................... 9
Data rate information...................................................................................................................... 9
Data rate vs. cable length recommendations............................................................................... 10
Resolving transmission errors...................................................................................................... 10
Chapter 2 EIA-232: DB-25 to DB-25
Digi DB-25 connector pin assignments................................................................................ 11
DB-25 software handshaking (XON/XOFF) cable ............................................................... 11
Simple Terminal/Printer Cable ..................................................................................................... 11
DB-25 4-Wire hardware handshaking (DTR) cable ............................................................. 12
Terminal/printer cable with DTR handshaking ............................................................................. 12
DB-25 hardware handshaking (RTS/CTS) cable ................................................................. 13
Terminal/printer cable with RTS/CTS handshaking ..................................................................... 13
DB-25 fully-wired terminal/printer cable ............................................................................... 14
Terminal/printer cable for software (XON/XOFF) or hardware (DTR) handshaking .................... 14
DB-25 modem cable ............................................................................................................ 14
Cable-to-adapter cross-reference ........................................................................................ 15
Chapter 3 EIA-232: RJ-45 to DB-25
Digi RJ-45 connector pin assignments ................................................................................ 17
RJ connector types .............................................................................................................. 18
Digi RJ-45 to DB-25/DB-9 cable adapters ........................................................................... 19
Part numbers for RJ-45 to DB-25 cable adapters: ....................................................................... 19
Part numbers for RJ-45 to DB-9 cable adapters: ......................................................................... 19
Digi RJ-45 to RJ-45 cable adapters: 8-pin ........................................................................... 19
Part numbers for RJ-45 to RJ-45 8-pin crossover cable for Cisco & Sun Netra: ......................... 19
RJ-11 software handshaking (XON/XOFF) cable ................................................................ 20
Simple software handshaking terminal/printer cable (RJ-11)....................................................... 20
RJ-45 8-pin plug hardware handshaking (DTR) cable......................................................... 21
Terminal/Printer Cable with DTR Handshaking ........................................................................... 21
RJ-45 8-pin plug hardware handshaking (RTS/CTS) cable................................................. 22
Terminal/printer cable with DTR handshaking ............................................................................. 22
RJ-45 8-wire ALTPIN terminal/printer cable ........................................................................ 23
ALTPIN terminal/printer cable for software (XON/XOFF) or hardware (RTS/CTS) handshaking 23
RJ-45 fully-wired terminal/printer cable................................................................................ 24
Terminal/printer cable for software (XON/XOFF) or hardware (RTS/CTS) handshaking ............ 24
RJ-45 8-pin to modem (ALTPIN option)....................................................................................... 25
8-Wire modem cable supporting ALTPIN option.......................................................................... 25
RJ-45 10-pin plug to DB-25 modem cable........................................................................... 26
RJ-45 to DB-25 modem cable (10-wire)’...................................................................................... 26
Contents
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RJ-45 8-pin crossover cable for Cisco and Sun Netra......................................................... 27
RJ-45 to RJ-45 8-pin crossover cable.......................................................................................... 27
Pin positions for RJ-45 ................................................................................................................. 27
Chapter 4 EIA-422 asynchronous interface
General EIA-422 cable information...................................................................................... 29
Physical cable characteristics ...................................................................................................... 29
Interface signaling ....................................................................................................................... 29
Grounding requirements .............................................................................................................. 29
Digi EIA-422 connector wiring.............................................................................................. 30
EIA-422 software handshaking (XON/XOFF) cable............................................................. 31
EIA-422 hardware handshaking (ready/busy) cable ............................................................ 31
EIA-422 DTE to DCE (modem) cable .................................................................................. 32
Chapter 5 EIA-485 asynchronous interface
General EIA-485 cable information...................................................................................... 33
Physical cable characteristics ...................................................................................................... 33
Interface signaling ........................................................................................................................ 33
Grounding requirements .............................................................................................................. 33
Termination information ............................................................................................................... 33
Digi EIA-485 connector wiring.............................................................................................. 34
RJ-45 pinouts ............................................................................................................................... 34
DB-9 pinouts ................................................................................................................................ 34
RJ-45 8-pin EIA-232/ 22/ 485 PortServer TS 8/16 MEI ............................................................... 35
Chapter 6 DataFire® 2000 sync adapter
Introduction .......................................................................................................................... 37
Features ....................................................................................................................................... 37
Cabling information .............................................................................................................. 38
Recommendations ....................................................................................................................... 38
X.21 pinouts ......................................................................................................................... 39
X.21, male DB-15 connector ........................................................................................................ 39
V.35 pinouts ......................................................................................................................... 39
V.35, male 34-pin connector ........................................................................................................ 39
EIA-232/V.28 pinouts ........................................................................................................... 40
EIA-232 / V.28 (V.24), male DB-25 connector ............................................................................. 40
EIA-530/422 pinouts ............................................................................................................ 41
EIA-530/422, male DB-25 connector .......................................................................................... 41
Chapter 7 Pinout reference
Async cable part numbers ................................................................................................... 43
Asynchronous cabling .................................................................................................................. 44
Cable wall mount options..................................................................................................... 44
Cross reference cable to order numbers and ID numbers................................................... 45
EIA 232 Information ............................................................................................................. 50
RS-232 flow control primer .................................................................................................. 50
Fiber optic cable specifications and source ......................................................................... 51
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Contents
Loopback connector pinouts ................................................................................................ 52
EtherLite RJ-45 to DB-25M modem adapter........................................................................ 53
EtherLite RJ-45 to DB-25M 4-Wire duplex cable (RS-422) ................................................. 54
EtherLite RJ-45 to DB-25M console adapter ....................................................................... 55
EtherLite RJ-45 to DB-9F console adapter .......................................................................... 56
EtherLite and SCSI Terminal Server RJ-45 to DB-9M modem cable .................................. 57
EtherLite and SCSI Terminal Server RJ-45 to DB-9F terminal emulator cable ................... 58
EtherLite and SCSI Terminal Server RJ-45 to DB-25M modem cable ................................ 59
EtherLite RJ-45 8-pin to DB-25M DTE modtap adapter ...................................................... 60
EtherLite RJ-45 8-pin to DB-25M DCE modtap adapter ...................................................... 61
EtherLite RJ-45 to DB-9F DCE modtap adapter.................................................................. 62
EtherLite and SCSI Terminal Server RJ-45 to RJ-45 Cisco console adapter...................... 63
EtherLite and SCSI Terminal Server RJ-45 to DB-25M terminal printer cable .................... 64
Digi One, PortServer TS, and Multi-Port Serial Cards RJ-45 to DB-9F cable adapter ........ 65
Digi One, PortServer TS, and Multi-Port Serial Cards RJ-45 to DB-25M console adapter.. 66
Digi One, PortServer TS, and Multi-Port Serial Cards RJ-45 to DB-25F cable adapter ...... 67
Digi One, PortServer TS, and Multi-Port Serial Cards RJ-45 to DB-25M modem adapter .. 68
Digi One, PortServer TS, and Multi-Port Serial Cards RJ-45 to DB-9M modem adapter .... 69
Digi One, PortServer TS, and Multi-Port Serial Cards RJ-45 to DB-25M printer adapter.... 70
Digi CM RJ-45 to DB-9F DTE RS-232 crossover cable.......................................................71
Digi CM RJ-45 to DB-25M modem adapter ......................................................................... 72
Digi CM RJ-45 to DB-9F console adapter............................................................................73
Digi CM RJ-45 to DB-25M console adapter......................................................................... 74
Digi CM RJ-45 to DB-25F console adapter.......................................................................... 75
Digi CM RJ-45 to DB-9M modem adapter ........................................................................... 76
Digi CM RJ-45 to DB-25M (DCE RS 232) straight-through cable........................................ 77
Digi CM EIA-232 RJ-45 to DB-25M (DTE RS 232) crossover cable.................................... 78
Digi CM RJ-45 to RJ-45 Sun Netra or Cisco crossover cable ............................................. 79
Digi CM RJ-45 to Sun Mini Din cable...................................................................................80
Async conversion RJ-XX to DB-XX ..................................................................................... 82
Cable vendors......................................................................................................................83
DataFire Sync 2000 SCSI pinouts ....................................................................................... 84
Digi One EM DB-9 connector pinouts .................................................................................. 85
Digi One IA RealPort EIA-232 DB-9 connector pinout......................................................... 86
Digi One EM EIA-232 DB-9 and terminal block pinout ........................................................ 87
Digi One SP DB-9 pinout ..................................................................................................... 88
Async EIA-422 DB-9 connector pinout ................................................................................ 89
Async EIA-422 DB-25 pinout ............................................................................................... 90
Async RJ-45 to RJ-45 crossover cable - for cross-connecting Digi asynchronous ports
together................................................................................................................................ 91
DB-25F to RJ-45 Cisco console cable adapter.................................................................... 92
SCSI Terminal Server DB-25M to RJ-45 Cisco console cable adapter ............................... 93
Contents
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