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Brand: MOXA
Moxa NPort 5650-8 8-Port RS-232/422/485 Rackmount Device Server
Description
What the NPort 5650-8 gives a serial instrument
Moxa describes the NPort 5650-8 as 8-port RS-232/422/485 rackmount device server with RJ45 connectors and 100 to 240 VAC power input. An eight-port rackmount device server where every RJ45 port is software-selectable between RS-232, RS-422 and RS-485.
From the manufacturer’s specification table, the power input is 100 to 240 VAC, 47 to 63 Hz; operating temperature is 0 to 60°C (32 to 140°F); dimensions are 482.60 x 43.65 x 198.25 mm (19.00 x 1.72 x 7.80 in); weight is 2,430 g (5.09 lb).
Standards and approvals printed for this model include safety standard UL 62368-1. Approvals can differ between variants of a series, so check the one on the exact order code.
Technical specifications
| Parameter | Specification |
|---|---|
| 10/100BaseT(X) Ports (RJ45 connector) | 1 |
| Magnetic Isolation Protection | 1.5 kV (built-in) |
| Optical Fiber | Read more 100BaseFX Multi-Mode Single-Mode Fiber Cable Type OM1 50/125 µm G.652 800 MHz x km Typical Distance 4 km 5 km 40 km Wavelength Typical (nm) 1300 1310 TX … |
| Management | ARP, BOOTP, DHCP Client, DNS, HTTP, HTTPS, ICMP, IPv4, LLDP, RFC2217, Rtelnet, PPP, SLIP, SMTP, SNMPv1/v2c, TCP/IP, Telnet, UDP |
| Filter | IGMP v1/v2c |
| Time Management | SNTP |
| Authentication | Local database |
| Encryption | HTTPS; AES-128; RSA-1024; SHA-1; SHA-256 |
| Security Protocols | HTTPS (TLS 1.2); SNMPv3 |
| Connector | 8-pin RJ45 |
| No. of Ports | 8 |
| Serial Standards | RS-232; RS-422; RS-485 |
| Baudrate | Supports standard baudrates (unit=bps): 50, 75, 110, 134, 150, 300, 600, 1200, 1800, 2400, 4800, 7200, 9600, 19200, 38400, 57600, 115200, 230.4k, 460.8k, 921.6k |
| Data Bits | 5, 6, 7, 8 |
| Stop Bits | 1, 1.5, 2 |
| Parity | None, Even, Odd, Space, Mark |
| Flow Control | None; RTS/CTS (RS-232 only); DTR/DSR (RS-232 only); XON/XOFF |
| Pull High/Low Resistor for RS-485 | 1 kilo-ohm, 150 kilo-ohms |
| Terminator for RS-485 | 120 ohms |
| RS-485 Data Direction Control | Automatic Data Direction Control (ADDC) |
| Operation Modes | Real COM, TCP Client, TCP Server, UDP, Ethernet Modem, Pair Connection, Reverse Telnet, RFC2217, Disabled |
| RS-232 | TxD, RxD, RTS, CTS, DTR, DSR, DCD, GND |
| RS-422 | Tx+, Tx-, Rx+, Rx-, GND |
| RS-485-4w | Tx+, Tx-, Rx+, Rx-, GND |
| RS-485-2w | Data+, Data-, GND |
| Input Current | 158 mA @ 100 VAC |
| Input Voltage | 100 to 240 VAC, 47 to 63 Hz |
| Automatic Reboot Trigger | Built-in WDT |
| Housing | Metal |
| Dimensions (with ears) | 482.60 x 43.65 x 198.25 mm (19.00 x 1.72 x 7.80 in) |
| Dimensions (without ears) | 440 x 43.65 x 198.25 mm (17.32 x 1.72 x 7.80 in) |
| Weight | 2,430 g (5.09 lb) |
| Installation | 19-inch rack mounting |
| Operating Temperature | 0 to 60°C (32 to 140°F) |
| Storage Temperature (package included) | -20 to 70°C (-4 to 158°F) |
| Ambient Relative Humidity | 5 to 95% (non-condensing) |
| EMC | EN 55032/35 |
| EMI | CISPR 32, FCC Part 15B Class A |
| EMS | IEC 61000-4-2 ESD: Contact: 8 kV; Air: 15 kV; IEC 61000-4-3 RS: 80 MHz to 1 GHz: 10 V/m; IEC 61000-4-4 EFT: Power: 4 kV; Signal: 2 kV; IEC 61000-4-5 Surge: Power: 2.5 … |
| Safety | UL 62368-1 |
| Medical | EN 55011: 2007+A2: 2007 Class A (Group 1) compliant; EN 60601-1-2: 2007 compliant |
| Warranty Period | 5 years |
Where it fits and what to check
The mixed-interface capability is valuable where a rack holds both RS-232 consoles and RS-485 field links, such as in SCADA front-end rooms.
On the practical side, mounting is listed as 19-inch rack mounting; the housing is metal; the stated MTBF is 754,927 hrs; the warranty period is 5 years. Treat the MTBF as a manufacturer prediction under its stated method, not a guarantee for your site.
Please check the power option (AC, wide-range or DC), and whether fiber or -T variants are required before you place an order. Seven Star LLC supplies as an independent company and prices against the precise code requested.
Related models in the NPort 5650-8 family
The Moxa product list shows these models in the same family page (16 entries): NPort 5610-16, NPort 5610-16-48V, NPort 5610-8, NPort 5610-8-48V, NPort 5630-16, NPort 5630-8, NPort 5650-16, NPort 5650-16-HV-T, NPort 5650-16-M-SC, NPort 5650-16-S-SC, NPort 5650-16-T, NPort 5650-8, NPort 5650-8-HV-T, NPort 5650-8-M-SC, NPort 5650-8-S-SC, NPort 5650-8-T. Suffixes such as -T generally mark wide-temperature versions and fiber suffixes (M, S, MM, SS with SC or ST) mark the connector and fiber type, but the order code printed on the datasheet governs.
Documents and quotation
The attached file is Moxa’s published datasheet for the family (moxa-nport-5600-series-datasheet-v1.9). For a quotation, send the full order code, the quantity required and where the goods are to be delivered.
More products in this range: Industrial Communications.
Datasheets & Documents
- Datasheet Moxa NPort 5600 series datasheet v1.9 Download
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About brand
Since 1987 Moxa, based in New Taipei City, Taiwan, has built networking hardware for places where an office switch would fail: substations, wellhead panels, roadside cabinets. Seven Star LLC lists Moxa industrial Ethernet switches and fiber converters and supplies Moxa networking devices to system integrators and plant teams in Oman as an independent supplier. Each request is checked against the full Moxa model name before we quote.
Moxa switches and converters listed here
The EDS-G508E is a managed switch with eight Gigabit ports from the EDS managed line. The EDS-316-MM-SC-T is a 16-port unmanaged switch with 14 copper ports, two multi-mode SC fiber ports and the wide-temperature option (-40 to 75 C). The TCF-142-S-SC-T belongs to the TCF-142 series, which converts RS-232/422/485 serial signals to single-mode fiber. Moxa also makes serial device servers, protocol gateways, wireless devices and industrial computers, used on SCADA and telemetry networks across the GCC.
Ordering Moxa devices: what we need
The suffixes carry the specification. Send the complete model name, including fiber mode and connector (MM-SC, SS-SC, ST), the -T wide-temperature suffix and any coating or approval suffix. Add the power supply voltage, the SFP modules needed and the quantity.
Browse MOXA products by category: Industrial Communications.
Related products
Frequently Asked Questions
Moxa lists it as: 8-port RS-232/422/485 rackmount device server with RJ45 connectors and 100 to 240 VAC power input. An eight-port rackmount device server where every RJ45 port is software-selectable between RS-232, RS-422 and RS-485.
The Moxa specification gives an input voltage of 100 to 240 VAC, 47 to 63 Hz. Check the terminal arrangement and, where relevant, the redundant-input wiring against your panel supply before ordering.
The listed operating temperature is 0 to 60°C (32 to 140°F). Wide-temperature versions carry a -T suffix in Moxa's order codes where the series offers them, and they are separate order codes.
The datasheet lists RS-232; RS-422; RS-485 on 8-pin RJ45, with 8 serial port(s).
You can download the Moxa datasheet from this page. For a quotation, send us the full order code, quantity and destination; Seven Star LLC is an independent supplier based in Muscat.

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