User's Manual

545C Operations Manual
02/10/2012
82
© 2012 Meteorcomm LLC.
The serial data stream may originate from a data logger, message device,
or any peripheral that has an RS
Note: The
DIRECT MODE
networks, especially with external data loggers.
DIRECT MODE
operation is similar to a “terminal server” on PC Ethernet
Networks.
The MCC
on one of its ports (Operator, Data, or AUX), packetizes the data into
message segments and transmits it to one or more dest
the CSMA mode.
The throughput rate will be dependent on channel
availability at the time of transmission.
The DIRECT
protocol is general in nature and allows the connecting
equipment at the source and destination to manage all error co
FleetTrak
 message acknowledgement protocol can also be used as an
option to ensure reliability of message delivery
selected using the
ASSIGN,DTA,1,DIRECT,30
This command would s
with a 30 second time out connection
independently and operate simultaneously.
Connection Management
A connection between the external equipment and the MCC
us
ing a “connect string.” The transfer then begins and continues until the
connection is terminated
assumed to exist and the data is then automatically routed through the
network to the destination equipment
connection: a permanent connection or an ad hoc connection.
Permanent Connection
The permanent connection is made by setting the connect string
keeps the port open at all times and all characters received will
au
tomatically be transmitted
port and the connection does not terminate
received from the destination will be routed to the local port for printing.
Prerelease
DCN
© 2012 Meteorcomm LLC.
All Rights Reserved. Proprietary and Confidential. Do Not Distribute.
The serial data stream may originate from a data logger, message device,
or any peripheral that has an RS
-232 interface.
DIRECT MODE
protocol can also be used in Meteor Burst
networks, especially with external data loggers.
operation is similar to a “terminal server” on PC Ethernet
The MCC
-
545C will accept any stream of unformatted characters
on one of its ports (Operator, Data, or AUX), packetizes the data into
message segments and transmits it to one or more dest
ination addresses in
The throughput rate will be dependent on channel
availability at the time of transmission.
protocol is general in nature and allows the connecting
equipment at the source and destination to manage all error co
 message acknowledgement protocol can also be used as an
option to ensure reliability of message delivery
. The DIRECT
selected using the
ASSIGN
command, as shown in this example:
ASSIGN,DTA,1,DIRECT,30
This command would s
et up DATA port 1 to use the DIRECT
protocol mode
with a 30 second time out connection
.
Any, or all, ports can be set up
independently and operate simultaneously.
A connection between the external equipment and the MCC
-
545C is made
ing a “connect string.” The transfer then begins and continues until the
connection is terminated
.
The proper connections at the destination are
assumed to exist and the data is then automatically routed through the
network to the destination equipment
. T
here are two ways to establish a
connection: a permanent connection or an ad hoc connection.
The permanent connection is made by setting the connect string
keeps the port open at all times and all characters received will
tomatically be transmitted
.
A connect string is not required to open the
port and the connection does not terminate
.
Likewise, all characters
received from the destination will be routed to the local port for printing.
DCN
00001789-A
All Rights Reserved. Proprietary and Confidential. Do Not Distribute.
The serial data stream may originate from a data logger, message device,
protocol can also be used in Meteor Burst
operation is similar to a “terminal server” on PC Ethernet
545C will accept any stream of unformatted characters
on one of its ports (Operator, Data, or AUX), packetizes the data into
ination addresses in
The throughput rate will be dependent on channel
protocol is general in nature and allows the connecting
equipment at the source and destination to manage all error co
ntrol. The
 message acknowledgement protocol can also be used as an
protocol is
command, as shown in this example:
protocol mode
Any, or all, ports can be set up
545C is made
ing a “connect string.” The transfer then begins and continues until the
The proper connections at the destination are
assumed to exist and the data is then automatically routed through the
here are two ways to establish a
connection: a permanent connection or an ad hoc connection.
The permanent connection is made by setting the connect string
OFF. This
keeps the port open at all times and all characters received will
A connect string is not required to open the
Likewise, all characters
received from the destination will be routed to the local port for printing.