
NPort 6150/6250 Series
Quick Installation Guide
Edition 8.0, August 2016
Technical Support Contact Information
www.moxa.com/support
Moxa China (Shanghai office):
Toll
2016 Moxa Inc. All rights reserved.

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Overview
The NPort 6150/6 25 0 ser ies s e cu re serial device servers provide reliabl e
serial-to-Ethernet connectivity for a wide range of serial devices. The
NPort 6150/6250 support TCP Server, TCP Client, UDP, and
Pair-Connection operation modes to ensure the compatibility of network
software. In addition, the NPort 6150/6 250 also support Secure TCP
Server, Secure TCP Client, Secure Pair-Connection, and Secure Rea l COM
modes for security critical applications such as banking, telecom, access
control, and remote site management.
Package Checklist
Before installing a NPort 6150/6250 secure device server, verify that the
package contains the following items:
• 1 NPort 6150 or NPort 6250
• Power adapter (does not apply to -T models)
• 2 wallmount ears
• Documentation and software CD
• Quick installation guide (this guide)
• Warranty card
Optional Accessories
• DK-35A: DIN-rail mounting kit (35 mm)
• DIN-rail power supply
• CBL-RJ45M9-150: 8-pin RJ45 to male DB9 cable
• CBL-RJ45M25-150: 8-pin RJ45 to male DB25 cable
NOTE: Please notify your sales representative if any of the above items
are missing or damaged.
Hardware Introduction
NPort 6150

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NPort 6250
Reset Button—Press the Reset Button continuously for 5 sec to load
factory defaults. Use a pointed object, such as a straightened pap er clip or
toothpick, to press the reset button. This will cause the Ready LED to blink
on and off. The factory defaults will be loaded once the Ready L ED s tops
blinking (after about 5 seconds). At this point, you should release the
reset button.
LED Indicators
Power is being supplied to the power input.
Power is on and the NPort is
booting up.
Indicates an IP conflict, or, the
DHCP or BOOTP server did not
respond properly or a relay
output occurred. Check the relay
output first. If after resolving the
relay output the RDY LED is still
blinking, then there is an IP
conflict, or the DHCP or BOOTP
server did not respond properly.
Power is on and the NPort is
functioning normally.
The device server has been
located by the Administrator’s
Power is off, or power error condition exists.

10 Mbps Ethernet connection
100 Mbps Ethernet connection
Ethernet cable is disconnected, or has a short.
Serial port is receiving data.
Serial port is transmitting data.
No data is being transmitted or received
through the serial port.
Serial port was opened by server side
software.
Serial port has n ot been open ed by serv er side
software.
Adjustable pull high/low resistor for RS-422/485 (150
KΩ or 1 KΩ)
Jumpers are used to set the pull high/low
resistors. The default is 150 kΩ. Short
the jumpe rs to set this value to 1 kΩ. Do
not use the 1 kΩ setting with RS
mode, since doing so will degrade the
RS
-232 signals and shorten the
Hardware Installation Procedure
Connect the 12-48 VDC power ada ptor to t he NPort 6 15 0 an d
then plug the power adaptor into a DC out let.
For first-time configuration, use a cross-over Ethernet cable to
connect the NPort 6150 directly to your computer’s Ethernet
cable. For connecting to a network, use a standard
straight-through Ethernet cable to connect to a hub or switch.
Connect the NPort 6150’s serial port to a ser ial device.
Placement Options
The NPort 6150/6250 can be placed flat on a desktop or other horizonta l
surface. In addition, you may use the DIN-ra i l or wallmount options, as
illustrated below.

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Software Installation Information
The Documentation and software CD contains t h e user’s manual, NPort
Search Utility, and the PComm Lite Suite. Insert the CD into your
computer’s CD-ROM drive and follow the on-screen instructions. Please
refer to the user’s manual for additional deta ils on using the NPort Search
Utility and PComm Lite.
Pin Assignments and Cable Wiring
RS-232/422/485 Pin Assignment (male DB9)
Pin RS-232
Two serial cables for connecting the NPort 6150 to a ser ial device can be
purchased separately. The wiring diagrams for the two cables a re shown
below.
Specifications
NPort 6150/6250: 10/100 Mbps, RJ45
NPort 6250-S-SC: Single-mode fiber
NPort 6250-M-SC: Multi-mode fiber
Built-in 1.5 kV magnetic isolation
NPort 6150: 1
NPort 6250: 2
RS-232/422/485 (male DB9)
Serial Communication Parameters
None, Even, Odd, Space, Mark
RTS/CTS, XON/XOFF, DTR/DSR
Console Port RS-232 (please see the User’s Manual for
detailed operating instructions)
ICMP, IPv4/v6, T CP, UDP, DHCP, BO OTP, Telnet,
DNS, SNMP, HTTP, SMTP, HTTPS, SSL, SS H ,
NPort Search Utility for Windows

Windows Real COM Drivers: Windows
95/98/ME/NT/2000, Windows
XP/2003/Vista/2008/7/8/8.1/10 (x86/x64),
Windows 2008 R2/2012/2012 R2 (x64),
Windows Embedded CE 5.0/6.0, Windows XP
Embedded
Fixed TTY Drivers: SCO Unix, SCO OpenServer,
UnixWare 7, QNX 4.25, QNX 6, Solaris 10,
FreeBSD, AIX 5.x, HP-UX 11i, Mac OS X
Linux Real TTY Drivers: Linux 2.4.x, 2.6.x, 3.x
Management: SNMP MIB-II
IP Routing: Static, RIP-I, RIP-II
Web Console, Serial/Telne t Co nsole, Windows
utility
Mechanical Specifications
NPort 6150/6250 series:
0 to 55°C (32 to 131°F)
Wide temp. models:
NPort 6150-T/6250-T series:
-40 to 75°C (-40 to 167°F)
NPort 6150/6250 series:
0 to 55°C (32 to 131°F)
Wide temp. models:
NPort 6150-T/6250-T series:
-40 to 75°C (-40 to 167°F) ,