MDS 05-2806A01, Rev. E.1
MDS iNET 900 Series User’s Guide
63
•
Packet Redundancy Mode
— For proper operation, all radios’
Serial Packet Redundancy mode must match (Single Packet
mode vs. Packet Repeat mode). This is because a transceiver,
when in Packet Repeat mode, sends 12 extra characters
(sequence numbers, etc.) to control the delivery of the
repeated data. Misconfigurations can result in undesired
operation.
•
Data Baud Rate
—Data rate (payload) for the
COM
port in
bits-per-second. [
1,200–115,200; 19200
]
•
Configuration
—Formatting of data bytes. Data bits, parity and
stop bits [
7N1, 7E1, 7O1, 8N1, 8E1, 8O1, 8N1, 7N2, 7E2, 7O2, 8N2,
8E2, 8O2; 8N1
].
•
Flow Control
(COM2 only)—RTS/CTS handshaking between
the transceiver and the connected device.
[
Enable, Disable; Disabled
]
•
Serial Mode
— When seamless mode is selected, data bytes
will be sent over the air as quickly as possible, but the
receiver will buffer the data until enough bytes have arrived
to cover worst case gaps in transmission. The delay intro-
duced by data buffering may range from 22 to 44 ms, but the
radio will not create any gaps in the output data stream. This
mode of operation is required for protocols such as MOD-
BUS™ that do not allow gaps in their data transmission.
[
Seamless, Custom; Seamless
]
•
Seamless Inter-Frame Delay
— Number of characters that repre-
sent the end of a message (inter-character time-out). MOD-
BUS defines a “3.5-character” parameter. [
1–65,535; 4
]
•
Custom Data Buffer Size
(Custom Packet Mode only)—Maxi-
mum amount of characters, that the Remote end will buffer
locally before starting to transmit data through the serial port.
[
16, 32, 64, 128, 256; 32
]
•
Commit Changes and Exit Wizard
—Save and execute changes
made on this screen (Shown only after changes have been
entered.)
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