Specifications

Table Of Contents
Contents 3
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
Table of Contents