Robustel
GoRugged
R3000
‐
3P
‐
GPS
User
Guide
RT_UG_R3000_v.2.0.3
10.12.2014
46
/
129
Slave
ID
@
Modbus
Slave
Enter
the
ID
number
of
TCP
server.
Null
Interval
Timeout
@
Transparent
Over
Rlink
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.
10
Attached
serial
device
type
@
Modbus
Over
Rlink
Select
From
“Modbus
RTU
slave”,
“Modbus
ASC
Ⅱ
slave”.
Modbus
RTU
slave:
router
connects
to
slave
device
which
works
under
Modbus
RTU
protocol.
Modbus
ASC
Ⅱ
slave:
router
connects
to
slave
device
which
works
under
Modbus
ASC
Ⅱ
protocol.
Null
Display
all
com
@
AT
Over
COM
Enable
to
display
all
virtual
com
of
the
module
inside
the
router.
Generally,
router
will
occupy
/dev/ttyUSB0
and
/dev/ttyUSB2
for
dialing
up
to
GPRS.
Note
:
Enable
this
function
will
disable
Cellular
WAN
function.
Disable
COM
Name
Show
the
virtual
com
name
of
the
module
inside.
/dev/tt
yUSB1
When
Select
Protocol
“Transparent”:
