User's Manual

PIN Pad 791 Programmer’s Manual (PCI POS-A) UDN PM0103-U Rev. 06
Section 5 – Administration and maintenance messages 2015-04-20
Page45
Uniform Industrial Corp. Proprietary and Confidential Total 342 pages
Message 13 Adjust COM1 Baud Rate (RS-232 version only)
Format: <SI>13[baud code][mode]<SO>[LRC]
Message length: Variable, 6~7 bytes.
Usage: This message will change the working baud rate and transmit mode of PP791 for later
operations. The setting is kept in the battery-powered memory, which will not be
erased until security is breached or the battery exhausted. Baud rate will be changed
after message flow ends.
Note: If [mode] parameter is not specified, the default transmit mode is N, 8, 1.
Message element:
Request frame (HOST to PIN Pad)
Field Length Value and description
<SI> 1 <0F>
13 2 Message ID
[baud code] 1 ASCII character
‘1’ = 1200bps
‘2’ = 2400bps
‘3’ = 4800bps
‘4’ = 9600bps
‘5’ = 19200bps
‘6’ = 38400bps
‘7’ = 57600bps
‘8’ = 115200bps
[Transmit mode]
(optional)
1 ASCII character
‘1’ = None parity, 8-bit, 1 stop bit
‘2’ = Even parity, 7-bit, 1 stop bit
‘3’ = Odd parity, 7-bit, 1 stop bit
0x41 = None parity, 8-bit, 1 stop
bit, with XON-XOFF flow control
0x42 = Even parity, 7-bit, 1 stop bit,
with XON-XOFF flow control
0x43 = Odd parity, 7-bit, 1 stop bit,
with XON-XOFF flow control
0x81 = None parity, 8-bit, 1 stop
bit, with RTS flow control
0x82 = Even parity, 7-bit, 1 stop bit,
with RTS flow control