Terminal Server NPort 6650-8

0 in Stock

8-port RS232/RS422/RS485 to Ethernet Secure Terminal Server, Rackmount

Brand: Moxa

- LCD panel for easy IP address configuration (standard temp. models)
- Secure operation modes for Real COM, TCP Server, TCP Client, Pair Connection, Terminal, and Reverse Terminal
- Nonstandard baudrates supported with high precision
- Port buffers for storing serial data when the Ethernet is offline
- Supports IPv6
- Ethernet redundancy (STP/RSTP/Turbo Ring) with network module
- Generic serial commands supported in Command-by-Command mode
- Security features based on IEC 62443



Moxa NPort® 6650-8 is a terminal server that uses the SSL and SSH protocols to transmit encrypted serial data over Ethernet. Up to 8 serial devices of any type can be connected to NPort® 6650-8, using the same IP address. The Ethernet port can be configured for a normal or secure TCP/IP connection. Moxa NPort® 6650-8 secure device servers is suitable for applications that requiring large quantities of serial devices packed into a small space. Security breaches are intolerable and the NPort® 6650-8 Series ensures data transmission integrity with support for DES, 3DES, and AES encryption algorithms. Serial devices of any type can be connected to the NPort® 6650-8, and each serial port on the NPort® 6650-8 can be configured independently for RS-232, RS-422, or RS-485 transmission.


No Data Loss If Ethernet Connection Fails

Moxa NPort® 6650-8 is a reliable device server that provides users with secure serial-to-Ethernet data transmission and a customer-oriented hardware design. If the Ethernet connection fails, the NPort® 6650-8 will queue all serial data in its internal 64 KB port buffer. When the Ethernet connection is re-established, the NPort® 6650-8 will immediately release all data in the buffer in the order that it was received. Users can increase the port buffer size by installing an SD card.


LCD Panel Makes Configuration Easy

Moxa NPort® 6650-8 features a built-in LCD panel for configuration. The panel displays the server name, serial number, and IP address, and any of the device server’s configuration parameters, such as IP address, netmask, and gateway address, can be updated easily and quickly.

Note: The LCD panel is only available with standard-temperature models.


Adjustable Resistor Values for RS-485 Communication

Moxa NPort® 6650-8 provides adjustable termination, pull high, and pull low resistors for RS-485 communication. In some critical environments, termination resistors may be needed to prevent the reflection of serial signals, and the pull high and pull low resistors may need adjusting to maintain the integrity of the electrical signal. Since no set of resistor values works for every environment, the NPort® 6650-8 allows manual adjustment of the resistor values for each serial port using built-in DIP switches.


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TNS offers advice on product configuration and technical support. Our support hotline +65-67476740 is open from 9am to 5.30pm on weekdays. You can also email your questions to us.
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