RF-Link NL6000 - Manual (Page 32)

RF Neulink NL6000 User Guide 32
3-DCD 232 In this mode, certain I/O devices can wake up when the
DCD signal is asserted and turn off when the signal is
negated. If you select this option, the DCD 232 menu
appears for you to set the Pre-Data DCD Time and Post-
Data DCD Time.
Setting the Pre-Data DCD Time
1. Select Serial DCD Mode ä Pre-Data DCD Time.
2. Enter the number of milliseconds it takes for the device to wake up after
the modem asserts the line. The value must be a 3-digit number. The
post-data time value sets the number of milliseconds it takes for the
device to turn off after the modem negates the line
Setting the Post-Data DCD Time
1. Select Serial ä DCD Mode ä Post-Data DCD Time.
2. Enter the number of milliseconds it takes for the device to turn off after the
modem negates the line. The value must be a 3-digit number.
6.4. Data Setup
Setting the Maximum Packet Size
1. Select Network ä Max Packet Size.
2. Enter the largest amount of continuous bytes of user data you expect
in a single transmission. The value must be in the range 1 1023.
Note: The Packet Mode affects how much user data can be in a
packet. For Enhanced Telemetry and Mobile Data modes, the
maximum will be less than 1023 due to memory constraints. The Max
Packet Size window displays the actual value for these two modes.
Setting the Packet Mode
1. Select Network ä Packet Mode.
2. Select from the following options:
1-Basic Telemetry This mode uses a simple Cyclic Redundancy
Check (CRC) for error detection.
2-Enhanced Telemetry This mode is similar to Basic Telemetry
mode, but it includes Reed-Solomon
forward error correction.
3-Mobile Data This mode uses forward error correction and
a block interleaver for maximum transmission
reliability.