SIP-2
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USER GUIDE - Rev. 3 (January 2018)
The SIP-2 can be managed locally and remotely, through a console or through a built-in
web server (http/https), SSH and Telnet server.
The SIP-2 also supports the SNMPv1, SNMPv2c and SNMPv3 protocols, as well as other
protocols and services such as NAT, DHCP, NTP and .
The basic encapsulation function is the creation of a point-to-point connection, equivalent to
a direct connection between two serial devices, even when the actual data transfer is done
on a TCP/IP network.
The encapsulation function guarantees delivery of the data accepted in one of the serial
ports of an end, free of errors, and with unaltered order at the other end of the connection.
This function is usually called PAD (Packet Assembler-Disassembler).
The encapsulation function does not depend on the user data content. The equipment
admits two processing modes with the PAD function: direct or with packets.
SIP-2 equipment has the necessary procedures to perform an intelligent encapsulation so
as to process the data as higher level transmission units for a series of specific protocols of
Telemetry and Telecontrol. Thus, the operations on the data are not limited to their mere
transmission, but possible errors are identified, or the SIP-2 is capable of identifying
different data flows in a unique shared channel and of transferring them towards
differentiated destinations (demultiplexing).
Some of the supported protocols are IEC 60870-5-101/102/103, DLMS, GESTEL, DNP3.0,
PROCOME, SAP20, MODBUS, Pid1, Twc, etc.
Another additional characteristic for any of the encapsulator operations modes is the SIP-2
capability to offer the basic HAYES modem behaviour towards the client equipment, so that
the encapsulator point-to-point connections are made upon demand and with the
determined receiver by application or the client equipment. The operation in HAYES mode
is enabled separately for each one of the serial ports present in the SIP-2.
