User`s guide

6 Contents
Initial Configuration Using Ethernet .................................................................. 57
Chapter 6 Special Features: Software Selectable MEI
About MEI Settings..............................................................................61
Configure the MEI Switches ................................................................61
Table for Pin Outs............................................................................................. 62
Set the Supported Baud Rate for Multi-drop Support....................................... 63
Four-Wire Multi-Drop Network Scenarios............................................63
MEI Configuration for a Single Master:............................................................. 63
MEI Configuration for a Slave:.......................................................................... 64
Chapter 7 Special Features: Embedded Modem
Embedded Modem ..............................................................................65
Installing the PortServer TS 1/3 M MEI ............................................................ 65
Configuring the PortServer TS 1/3 M MEI ........................................................ 65
Chapter 8 Special Features: Modem Emulation
Modem Emulation................................................................................67
Common User Scenarios ................................................................................. 67
Modem Emulation Cable Signals ........................................................68
Scenarios for Modem Emulation .........................................................68
Outgoing Modem Emulation Connection.......................................................... 68
Incoming Modem Emulation Connection.......................................................... 69
Modem Emulation Pooling................................................................................ 69
Modem Emulation Bridge ................................................................................. 69
Originating, Answering, and Disconnecting Calls................................69
Disconnecting Calls-Digi Device....................................................................... 70
Modem Emulation AT Command Set..................................................70
S-Registers..........................................................................................76
Result Codes.......................................................................................81
Chapter 9 Special Features: Power Over the Serial Ports
Serial Power Feature...........................................................................83
Configuring RI Power ..........................................................................83
RI Power In....................................................................................................... 83
RI Power Out .................................................................................................... 84
Configuring DTR Power.......................................................................84
Power Out......................................................................................................... 84
Serial Power Table ..............................................................................85
Chapter 10 Special Features: SNMP
About SNMP and the Digi Device Agent .............................................87
Network Management Components ................................................................. 87
SNMP Management Agent............................................................................... 87
SNMP Traps ..................................................................................................... 87
MIB Support...................................................................................................... 87
Message Support ............................................................................................. 88
Supported Traps............................................................................................... 88
Configuration Procedure: Web Interface .............................................88