Robustel
GoRugged
R3000
‐
3P
‐
GPS
User
Guide
RT_UG_R3000_v.2.0.3
10.12.2014
44
/
129
“Modbus
Over
Rlink”
“AT
Over
COM”
and
“GPS
Report”.
1.
None:
Router
will
do
nothing
in
RS232
serial
port.
2.
Transparent:
Router
will
transmit
the
serial
data
transparently
without
any
protocols.
3.
Modbus:
Router
will
translate
the
Modbus
RTU
data
to
Modbus
TCP
data
and
vice
versa.
4.
Transparent
Over
Rlink:
Router
will
send
all
data
from
RS232
serial
port
to
Robustlink,
then
Robustlink
will
forward
the
data
to
another
destination
site.
5.
Modbus
Over
Rlink:
Router
will
translate
all
data
from
RS232
serial
port
to
Modbus
TCP
protocol
data,
and
then
send
to
Robustlink,
after
that
Robustlink
will
forward
the
data
to
another
destination
site.
6.
AT
Over
COM:
select
to
operate
router
via
RS232
COM
port.
For
example,
enter
AT
commands
to
router
via
RS232
COM
port.
7.
GPS
Report:
select
to
enable
router
to
output
GPS
status
data
through
RS232
port.
Mode
@Transparent
Select
from
“TCP
Server”,
“TCP
Client”
and
“UDP”.
TCP
Client:
Router
works
as
TCP
client,
initiate
TCP
connection
to
TCP
server.
Server
address
supports
both
IP
and
domain
name.
TCP
Server:
Router
works
as
TCP
server,
listening
for
connection
request
from
TCP
client.
UDP:
Router
works
as
UDP
client.
TCP
Client
Local
Port
@Transparent
Enter
the
Local
port
for
TCP
or
UDP.
0
Multiple
Server
@Transparent
Click
“Add”
button
to
add
multiple
server.
You
need
to
enter
the
server’s
IP
and
port,
and
enable
or
disable
“Send
data
to
serial”.
If
you
disable
“Send
data
to
serial”,
router
will
not
transmit
the
data
from
this
server
to
serial
port.
Note:
This
section
will
not
be
displayed
if
you
select
“TCP
server”
in
“Mode”.
None
show
Protocol
Advanced
@
Transparent
Tick
to
enable
protocol
advanced
setting.
Disable
Local
IP
@
Transparent
This
item
will
show
up
when
you
enable
any
VPN
tunnel
of
R3000,
it
means
serial
data
can
be
matched
to
this
local
IP
address
and
be
transmitted
or
received
via
VPN
tunnel.
Note
:
when
you
do
not
enable
any
VPN
tunnel,
this
item
will
not
show
up.
Null
Interval
Timeout
@Transparent
The
serial
port
will
queue
the
data
in
the
buffer
and
send
the
data
to
the
Cellular
WAN/Ethernet
WAN
when
it
reaches
the
Interval
Timeout
in
the
field.
Note
:
Data
will
also
be
sent
as
specified
by
the
packet
length
or
delimiter
settings
even
when
data
is
not
reaching
the
interval
timeout
in
the
field.
10
Packet
Length
@Transparent
The
Packet
length
setting
refers
to
the
maximum
amount
of
data
that
is
allowed
to
accumulate
in
the
serial
port
buffer
before
sending.
0
for
packet
length,
no
maximum
amount
is
specified
and
data
in
the
buffer
will
be
sent
as
specified
by
the
interval
timeout
or
delimiter
settings
or
when
the
buffer
is
full.
When
a
packet
length
between
1
and
1024
bytes
is
specified,
data
in
the
buffer
will
be
1360
