Our NPort device servers make your serial devices network-ready in an instant. Their compact size makes them ideal for connecting devices such as card readers and payment terminals to an IP-based Ethernet LAN.

4-port RS-232/422/485 device server with 2 kV isolation protection

Ethernet Interface
10/100BaseT(X) Ports (RJ45 connector)
– 1
Magnetic Isolation Protection
– 1.5 kV (built-in)

Ethernet Software Features
Configuration Options
– Telnet Console
– Windows Utility
– Web Console (HTTP/HTTPS)
Management
– ARP
– BOOTP
– DHCP Client
– DNS
– HTTP
– HTTPS
– ICMP
– IPv4
– LLDP
– Rtelnet
– SMTP
– SNMPv1/v2c
– TCP/IP
– Telnet
– UDP
Filter
– IGMP v1/v2
Windows Real COM Drivers
– Windows 11/10/8.1/8/7/Vista/XP/ME/98/95
– Windows Server 2022/2019/2016/2012 R2/2012/2008 R2/2008/2003/2000/NT
– Windows Embedded CE 5.0/6.0, Windows XP Embedded
Linux Real TTY Drivers
– Kernel Versions: 6.x, 5.x, 4.x, 3.x, 2.6.x, and 2.4.x
Fixed TTY Drivers
– macOS Versions: 10.12 to 10.15, 11.x
– SCO UNIX, SCO OpenServer, UnixWare 7, QNX 4.25, QNX 6, Solaris 10, FreeBSD, AIX 5.x, HP-UX 11i, Mac OS X
Arm®-based Platform Support
– Linux Kernel 5.x/4.x
Virtual Machine
– VMWare ESXi (Windows 11 / 10)
– VMware Fusion (Windows on macOS 10.12 to 11.x)
– Parallels Desktop (Windows on macOS 10.12 to 11.x)
Android API
– Android 3.1.x and later
Time Management
– SNTP

Security Functions
Authentication
– Local database
Encryption
– HTTPS
– AES-128
– RSA-1024
– SHA-1
– SHA-256
Security Protocols
– HTTPS (TLS 1.2)
– SNMPv3

Serial Interface
Connector
– DB9 male
No. of Ports
– 4
Serial Standards
– RS-232
– RS-422
– RS-485
Operation Modes
– Real COM
– TCP Server
– TCP Client
– UDP
– Ethernet Modem
– Pair Connection
– Reverse Telnet
– Disabled
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
– RTS/CTS (RS-232 only)
– DTR/DSR (RS-232 only)
Isolation
– 2 kV
Pull High/Low Resistor for RS-485
– 1 kilo-ohm, 150 kilo-ohms
Terminator for RS-485
– 120 ohms
RS-485 Data Direction Control
– ADDC (automatic data direction control)

Serial Signals
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

Power Parameters
Input Current
– 550 mA @ 12 VDC
No. of Power Inputs
– 2
Power Connector
– 1 removable 3-contact terminal block(s)
– Power input jack
Input Voltage
– 12 to 48 VDC, 24 VDC for DNV

Reliability
Automatic Reboot Trigger
– Built-in WDT
Alert Tools
– Built-in buzzer and RTC (real-time clock)

Physical Characteristics
Housing
– Metal
Dimensions (with ears)
– 181 x 103 x 33 mm (7.14 x 4.06 x 1.30 in)
Dimensions (without ears)
– 158 x 103 x 33 mm (6.22 x 4.06 x 1.30 in)
Weight
– 740 g (1.63 lb)
Interactive Interface
– LCD panel display
– Push buttons for configuration
Installation
– Desktop
– DIN-rail mounting (with optional kit)
– Wall mounting

Environmental Limits
Operating Temperature
– 0 to 55°C (32 to 131°F)
Storage Temperature (package included)
– -40 to 75°C (-40 to 167°F)
Ambient Relative Humidity
– 5 to 95% (non-condensing)

Standards and Certifications
EMC
– EN 55032/35
EMI
– CISPR 32, FCC Part 15B Class A
EMS
– IEC 61000-4-2 ESD: Contact: 6 kV; Air: 8 kV
– IEC 61000-4-3 RS: 80 MHz to 1 GHz: 3 V/m
– IEC 61000-4-4 EFT: Power: 2 kV; Signal: 0.5 kV
– IEC 61000-4-5 Surge: Power: 1 kV; Signal: 1 kV
– IEC 61000-4-6 CS: 150 kHz to 80 MHz: 3 V/m; Signal: 3 V/m
– IEC 61000-4-8 PFMF
– IEC 61000-4-11
Safety
– UL 62368-1
Maritime
– DNV
Medical
– EN 60601-1-2 Class B, EN 55011

MTBF
Time
– 678,381 hrs
Standards
– Telcordia (Bellcore) Standard TR/SR