Our NPort device servers make your serial devices network-compatible in no time at all. 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-422/485 serial device server

Ethernet interface
– 10/100BaseT(X) ports (RJ45 connection) 1
– Magnetic isolation protection 1,5 kV (built-in)

Ethernet software functions
– Configuration options
Telnet console
Windows utility
Web console (HTTP/HTTPS)
– Administration 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 driver
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 driver 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 higher
– 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
– Terminal block connection
– Number of ports 4
– Serial standards
RS-422
RS-485
– Operating modes
Real COM
TCP-Server
TCP client
UDP
Ethernet modem
Pair connection
Reverse Telnet
Disabled
– Baud rate
Supports standard baud rates (unit=bps): 50, 75, 110, 134, 150, 300, 600, 1200, 1800, 2400, 4800, 7200, 9600, 19200, 38400, 57600, 115200, 230.4k, 460.8k, 921.6 k
– Data bits 5, 6, 7, 8
– Stop bits 1, 1.5, 2
– Parity None, Even, Odd, Space, Mark
– Pull high/low resistor for RS-485 1 kiloohm, 150 kiloohms
– RS-485 data direction control ADDC (automatic data direction control)

Serial signals
– RS-422 Tx+, Tx-, Rx+, Rx-, GND
– RS-485-4w Tx+, Tx-, Rx+, Rx-, GND
– RS-485-2w Data+, Data-, GND

Current parameters
– Input current 320 mA at 12 VDC
– Number of current inputs 2
– Power connection
1 removable 3-pin terminal block
Power input socket
– Input voltage 12 to 48 VDC, 24 VDC for DNV

Reliability
– Automatic restart trigger Integrated WDT
– Alarm tools Integrated buzzer and RTC (real-time clock)

Physical characteristics
– Metal housing
– Dimensions (with lugs) 181 x 103 x 33 mm (7.14 x 4.06 x 1.30 in.)
– Dimensions (without lugs) 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
Pushbuttons 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 (included) Storage temperature (included) -40 to 75 °C (-40 to 167 °F)
– 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 Overvoltage: 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

MTBF
– Time 826.688 hrs
– Standards Telcordia (Bellcore) Standard TR/SR