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.

1-port RS-422/485 device server, 0 to 60°C operating temperature

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

Ethernet Software Features
Management
– DHCP Client, ARP, BOOTP, DNS, HTTP, HTTPS, ICMP, IPv4, LLDP, SMTP, SNMPv1/v2c, TCP/IP, Telnet, UDP
Filter
– IGMP v1/v2
Windows Real COM Drivers
– Windows 95/98/ME/NT/2000, Windows XP/2003/Vista/2008/7/8/8.1/10/11 (x86/x64), Windows 2008 R2/2012/2012 R2/2016/2019 (x64), Windows Server 2022, Windows Embedded CE 5.0/6.0, Windows XP Embedded
Linux Real TTY Drivers
– Kernel versions: 2.4.x, 2.6.x, 3.x, 4.x, and 5.x
Fixed TTY Drivers
– macOS 10.12, macOS 10.13, macOS 10.14, macOS 10.15, SCO UNIX, SCO OpenServer, UnixWare 7, QNX 4.25, QNX 6, Solaris 10, FreeBSD, AIX 5.x, HP-UX 11i, Mac OS X
Android API
– Android 3.1.x and later
MIB
– RFC1213, RFC1317

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

Serial Interface
Connector
– DB9 male
No. of Ports
– 1
Serial Standards
– RS-422, RS-485
Operation Modes
– Disabled, Ethernet Modem, Pair Connection, Real COM, Reverse Telnet, RFC2217, TCP Client, TCP Server, UDP
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), XON/XOFF
Pull High/Low Resistor for RS-485
– 1 kilo-ohm, 150 kilo-ohms
RS-485 Data Direction Control
– ADDC (automatic data direction control)
Terminator for RS-485
– 120 ohms

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

Power Parameters
No. of Power Inputs
– 1
Input Current
– 89.1 mA @ 12 VDC
Input Voltage
– 12 to 48 VDC
Source of Input Power
– Power input jack

Reliability
Automatic Reboot Trigger
– Built-in WDT

Physical Characteristics
Housing
– Metal
Dimensions (with ears)
– 75.2 x 80 x 22 mm (2.96 x 3.15 x 0.87 in)
Dimensions (without ears)
– 52 x 80 x 22 mm (2.05 x 3.15 x 0.87 in)
Weight
– 340 g (0.75 lb)
Installation
– Desktop, DIN-rail mounting (with optional kit), Wall mounting

Environmental Limits
Operating Temperature
– 0 to 60°C (32 to 140°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: 10 V/m
– IEC 61000-4-4 EFT: Power: 2 kV; Signal: 1 kV
– IEC 61000-4-5 Surge: Power: 2 kV; Signal: 0.5 kV
– IEC 61000-4-6 CS: 150 kHz to 80 MHz: 10 V/m; Signal: 10 V/m
– IEC 61000-4-8 PFMF
– IEC 61000-4-11
Safety
– UL 60950-1

Declaration
Green Product
– RoHS, CRoHS, WEEE

MTBF
Time
– 2,231,530 hrs
Standards
– Telcordia (Bellcore) Standard TR/SR