Components and Specifications
The following table provides details of the services that can be run on each port and the
corresponding serial cable type to be used.
Port Name
RS232-1
RS232-2
RS232-3
RS485
*: Optional
PPPD on SERIAL: This service is enabled or used when the INFORMA PMD-A device
needs to be connected directly to a computer without a modem.
PPPD on MODEM: This service is enabled or used when the INFORMA PMD-A device
needs to be accessed through a modem.
Functionality/Services
Debug port
PPPD on SERIAL
PPPD on MODEM
Protocols *
IRIG-J
PPPD on SERIAL
PIC Programming (on-boot
up)
Protocols (DNP/Mod
bus/IEC 60870/IEC 61850)
Cable Type
Simple null modem without
handshaking
Null modem with loop back
handshaking
Standard modem cable (DTE-DCE)
Simple null modem without
handshaking
Simple null modem without
handshaking
Null modem with loop back
handshaking
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