16
SD Series Technical Manual
MDS 05-4846A01, Rev. F
Packet With MAC is the recommended method of operation when both
serial ports are used to pass payload data if there are two hosts (
e.g.,
Port
Sharing with multiple host case). If there is a single host polling all units,
packet or transparent mode is the preferred option (depending on
whether encryption is required or not) even if there are two RTUs con-
nected to a Remote radio.
Figure 10. Serial Remotes with Two Serial Ports
MASTER RADIO
HOST COMPUTER
(Host A)
To Ethernet Port
REMOTE RADIO
(One of several possible sites)
TCP Ethernet
REMOTE RADIO
(One of several possible sites)
SERIAL RTU
SERIAL RTU
SERIAL RTU
SERIAL RTU
Radio Mode: Packet w/MAC
Device Settings Screen