SDS1100 User Guide
3: Configuring the Unit
The following table demonstrates how to build some common Interface Mode
settings:
Table 3-4. Common Interface Mode Settings
Common I/F Mode Setting
Binary
Hex
RS-232C, 8-bit, No Parity, 1 stop bit
0100 1100 4C
RS-232C, 7-bit, Even Parity, 1 stop bit
0111 1000 78
RS-485 2-Wire, 8-bit, No Parity, 1 stop bit 0100 1111 4F
RS-422, 8-bit, Odd Parity, 1 stop bit
0101 1101 5D
Flow
Flow control sets the local handshake method for stopping serial input/output.
Table 3-5. Flow Control Options
Flow Control Option
Hex
No flow control
00
XON/XOFF flow control
01
Hardware handshake with RTS/CTS lines 02
XON/XOFF pass characters to host
05
Port Number
The setting represents the source port number in TCP connections. It is the number
that identifies the channel for remote initiating connections. The default setting for
Port 1 is 10001. The range is 1-65535, except for the following reserved port
numbers:
Table 4-5. Reserved Port Numbers
Port Numbers Reserved for
1 – 1024
Reserved (well known ports)
9999
Telnet setup
14000-14009
Reserved for Redirector
30718 Reserved
(77FEh)
Warning:
We recommend that you not use the reserved port numbers
for this setting as incorrect operation may result.
The port number functions as the TCP/UDP source port number for outgoing
packets. Packets sent to the unit with this port number are received to this channel.
The port number selected is the Incoming TCP/UDP port and Outgoing TCP/UDP
source port. Use Port 0 when you want the outgoing source port to change with each
connection.
If the port number is 0, a random value of at least 50000 is used to actively establish
a connection. Each subsequent connection increments the number by 1. When the
port number reaches 59999, it wraps around to 50000.
Only use the automatic port increment feature to initiate a connection using TCP. Set
the port to a non-zero value when the unit is in a passive mode or when you are
using UDP instead of TCP.
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