
| NPort 5600 Series User’s Manual | Configuring NPort Administrator | 
Reverse Telnet Mode
TCP alive check time
| Setting | Factory Default | Necessity | 
| 0 to 99 min | 0 | Optional | 
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Specifies the time slice for checking if the TCP connection is alive. If there is no response, NPort 5600 series will disconnect the original connection.
Inactivity time
| Setting | Factory Default | 
 | Necessity | 
| 0 to 65535 ms | 0 | 
 | Optional | 
| Idle time setting for  | 
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| Local TCP port | 
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| Setting | Factory Default | 
 | Necessity | 
| 1 to 65535 | 4001 | 
 | Optional | 
Each of NPort’s serial ports is mapped to a TCP port. To avoid conflicts with TCP ports, set port numbers to 4001 for port1, 4002 for port 2, etc. (like the default values).
Map <CR-LF> 
| Setting | Factory Default | Necessity | 
| CR, LF, or  | 
 | Optional | 
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If data received through NPort 5600’s Ethernet port is sent using the “enter” command, the data will be transmitted out the serial port with an added
1.“carriage return + line feed” if you select the 
(i.e., the cursor will jump to the next line, and return to the first character of the line)
2.“carriage return” if you select the <CR> option
(i.e., the cursor will return to the first character of the line)
3.“line feed” if you select the <LF> option.
(i.e., the cursor will jump to the next line, but not mov horizontally)