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 serial device server

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
– 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)

Serial Signals
RS-232 TxD, RxD, RTS, CTS, DTR, DSR, DCD, GND

Power Parameters
– Input Current 365 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 880,274 hrs
– Standards Telcordia (Bellcore) Standard TR/SR