Chapter 14: Device management
104
TruVision DVR 44HD User Manual
Figure 30: RS-232 setup window
Table 16: Description of the RS-232 settings window
Option
Description
1.
Baud Rate
This is a measure of the speed of data transmission. Default is 115200.
2.
Data Bit
A bit is the smallest unit of data in a serial communication message. A data bit is the
bit carrying the information, as opposed to the start bit and the stop bit. Default is 8.
3.
Stop Bit
Stop bits mark the end of a transmission of a serial communication message.
Default is 1.
4.
Parity
The method used to detect errors in the number of bits being transmitted. Default is
None.
5.
Flow Ctrl
Flow control is the process by which data transfer is regulated so that it does not
arrive too quickly for the receiving process. Default is None.
6.
Interface
Select one of the three ways the RS-232 port can be used:
ProBridge
: POS and ATM text insertion supported via the ProBridge accessory
connected to the RS-232 port. See “Text insertion” on page 103 for more information.
Challenger
: NTP time sync supported to foreign device over the RS-232 port.
Technical Support
: Console mode.
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