Moxa  Mfg Mini-Store

2 port device server, 10/100M Ethernet, RS-232/422/485, DB9 male, 15KV ESD, 0.5KV serial surge, 12~48VDC, -40~75C

Product Page @ Moxa Site MOXA Major Lines
Mfg Part Number:  NPort 5250A-T  

Special Note: Oct 13, 2014
W/O Power adapter for -T (wide temp) models

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Price: $446.99
In Stock: 3
No Sales Tax except these states
, PO and Wire.


Power Requirements
Power Consumption 119 mA @ 12V, 65 mA @ 24V
Input Voltage 12 to 48 VDC
Linux Real TTY Drivers Linux kernel 2.4.x, 2.6.x
Configuration Options Web Console (with new Quick Setup), Serial Console (NPort 5210A/5250A only), Telnet Console, Windows Utility
Windows Real COM Drivers Windows 95/98/ME/NT/2000, Windows XP/2003/Vista/2008/7 x86/x64
Network Protocols ICMP, IP, TCP, UDP, DHCP, BOOTP, Telnet, DNS, SNMP V1, HTTP, SMTP, IGMP V1/2
Fixed TTY Drivers SCO Unix, SCO OpenServer, UnixWare 7, UnixWare 2.1, SVR 4.2, QNX 4.25, QNX 6, Solaris 10, FreeBSD, AIX 5.x, HP-UX 11i, Mac 10.3
Serial Communication Parameters
Flow Control RTS/CTS and DTR/DSR (RS-232 only), XON/XOFF
Data Bits 5, 6, 7, 8
Parity None, Even, Odd, Space, Mark
Stop Bits 1, 1.5, 2
Baudrate 50 bps to 921.6 Kbps
Ethernet Interface
Connector 8-pin RJ45
Speed 10/100 Mbps, auto MDI/MDIX
Magnetic Isolation Protection 1.5 KV built-in
Number of Ports 1
Ethernet Line Protection EN61000-4-5 (Surge) Level 2
Environmental Limits
Operating Temperature Standard Models: 0 to 60°C (32 to 140°F) 
Wide Temp. Models: -40 to 75°C (-40 to 167°F)
Storage Temperature -40 to 85°C (-40 to 185°F)
Ambient Relative Humidity 5 to 95% (non-condensing)
Physical Characteristics
Weight 340 g
Dimensions Without ears: 77 x 111 x 26 mm (3.03 x 4.37 x 1.02 in) 
With ears: 100 x 111 x 26 mm (3.94 x 4.37 x 1.02 in)
Housing Metal
Serial Interface
Connector NPort 5210A/5250A: DB9 male 
NPort 5230A: Terminal Block (5 pins per port)
Serial Standards NPort 5210A: RS-232 
NPort 5230A: RS-422/485 
NPort 5250A: RS-232/422/485
RS-485 Data Direction Control ADDC® (automatic data direction control)
Number of Ports 2
Pull High/Low Resistor for RS-485 1 KΩ, 150 KΩ
Serial Line Protection 15 KV ESD protection for all signals, EN61000-4-5 (Surge) Level 1
MTBF (mean time between failures) 847,750 hrs
Automatic Reboot Trigger Built-in WDT (watchdog timer)
Serial Signals
RS-485-4w Tx+, Tx-, Rx+, Rx-, GND
RS-485-2w Data+, Data-, GND
RS-422 Tx+, Tx-, Rx+, Rx-, GND
Standards and Certifications
EMI EN 55022 Class A, FCC Part 15 Subpart B Class A
Safety UL 60950-1, EN 60950-1
EMS EN 55024
Power Line Protection EN61000-4-4 (EFT) Level 2,
EN61000-4-5 (Surge) Level 3
Warranty Period 5 years
Details See
Detailed Spec.
Dimensions: WxHxD (mm) 100 x 111 x 26
Mounting Din Rail Mount; Wall Mount
Enclosure Metal
Serial interface RS232/RS422/RS485
Serial interface number of ports 2
Serial Interface type of connector DB9
Network interface 1 Port Ethernet RJ45 Connector
Network interface number of ports 1
Network interface type of connector RJ45
Power Input Type Single DC / Terminal Block
Operating Supply Voltage 12 to 48 VDC
Power Consumption 119 mA @ 12V
Operating Temperature -40 to 75C
Isolation Protection Yes
Surge Protection Yes
Standards and Certifications Safety UL 60950-1, EN 60950-1, EMC CE, FCC, EMI EN 55022 Class A, FCC Part 15 Subpart B Class A, EMS EN 55024
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