Paradyne 7123, Руководство пользователя

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3. Configuration
3-32
September 2001 7123-A2-GB20-00
Configuring the Communication Port
Select Communication Port from the Management and Communication menu to
display or change the communication port configuration options (see
Table 3-10,
Communication Port Options ).
Main Menu
→
Configuration
→
Management and Communication
→
Communication Port
Table 3-10. Communication Port Options (1 of 4)
Port Use
Possible Settings: Terminal, Net Link
Default Setting: Terminal
Assigns a specific use to the COM port.
NOTE: If the Default IP Destination is set to COM (see Table 3-4, Node IP Options )
and you change Port Use to Terminal, the Default IP Destination is forced to None.
Terminal – The COM port is used for the asynchronous terminal connection.
Net Link – The COM port is the network communications link to the IP network or IP
device port.
Data Rate (Kbps)
Possible Settings: 9.6, 14.4, 19.2, 28.8, 38.4, 57.6, 115.2
Default Setting: 19.2
Specifies the rate for the COM port in kilobits per second.
9.6 – 115.2 Kbps – Sets the communication port speed.
Character Length
Possible Settings: 7, 8
Default Setting: 8
Specifies the number of bits needed to represent one character.
NOTE: Character length defaults to 8 and cannot be changed if Port Use is set to Net
Link.
7 – Sets the character length to seven bits.
8 – Sets the character length to eight bits. Use this setting if using the COM port as the
network communication link.
Parity
Possible Settings: None, Even, Odd
Default Setting: None
Provides a method of checking the accuracy of binary numbers for the COM port. A parity
bit is added to the data to make the “1” bits of each character add up to either an odd or
even number. Each character of transmitted data is approved as error-free if the “1” bits
add up to an odd or even number as specified by this configuration option.
None – Provides no parity.
Even – Makes the sum of all 1 bits and its corresponding parity bit always even.
Odd – Makes the sum of all 1 bits and its corresponding parity bit always odd.