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The 2-port NPort® 6250 device servers use the SSL and SSH protocols
to transmit encrypted serial data over Ethernet. Models are available
for connecting to a 10/100BaseTX copper Ethernet or 100BaseTX fiber
network. Both single-mode and multi-mode fiber are supported.
Zero Data Loss if Ethernet Connection Fails
The NPort® 6250 device servers help guarantee reliability by
providing users with secure serial-to-Ethernet data transmission and a
customer-oriented hardware design. If the Ethernet connection fails,
the NPort® 6250 will queue all serial data in its internal 64 KB port
buffer. When the Ethernet connection is re-established, the NPort®6250
will immediately release all data in the buffer in the order that it
was received. Users can increase the port buffer size by installing an
SD card.
| Ethernet Interface |
| Number of Ports |
1 |
| Speed |
10/100 Mbps, auto MDI/MDIX |
| Connector |
8-pin RJ45 |
| Magnetic Isolation |
1.5 KV built-in |
| • Optical Fiber Interface (NPort 6250-S-SC/6250-M-SC) |
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| • Serial Interface |
| Number of Ports |
2 |
| Serial Standards |
RS-232/422/485 |
| Connector |
DB9 male |
| RS-485 Data Direction Control |
ADDC® (Automatic Data Direction Control) |
| Serial Line Protection |
15 KV ESD protection for all signals |
| Console Port |
Serial port 1 doubles as RS-232 console port |
| • Serial Communication Parameters |
| Data Bits |
5, 6, 7, 8 |
| Stop Bits |
1, 1.5, 2 |
| Parity |
None, Even, Odd, Space, Mark |
| Flow Control |
RTS/CTS, DTR/DSR, XON/XOFF |
| Baudrate |
50 bps to 921.6 Kbps (supports non-standard baudrates) |
| Pull High/Low Resistor for RS-485 |
1 KΩ, 150 KΩ |
| • Serial Signals |
| RS-232 |
TxD, RxD, RTS, CTS, DTR, DSR, DCD, GND |
| RS-422 |
Tx+, Tx-, Rx+, Rx-, GND |
| RS-485-4w |
Tx+, Tx-, Rx+, Rx-, GND |
| RS-485-2w |
Data+, Data-, GND |
| • Memory Expansion Slot |
| Slot Type |
SD socket (supports up to 2 GB) |
| • Software |
| Network Protocols |
ICMP, IP, TCP, UDP, DHCP, BOOTP, Telnet, DNS, SNMP V1/V2c/V3, HTTP, SMTP, ARP, PPPoE |
| Security Protocols |
DES, 3DES, AES, SSH, SSL |
| Configuration Options |
Web Console, Serial Console, Telnet Console, Windows Search Utility |
| Windows Real COM Drivers |
Windows 95/98/ME/NT/2000, Windows XP/2003/Vista/2008/7 x86/x64, Embedded CE 5.0/6.0, XP Embedded |
| 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 |
| Linux Real TTY Drivers |
Linux kernel 2.4.x, 2.6.x |
| Management |
SNMP MIB-II |
| IP Routing |
Static, RIP-I, RIP-II |
| • Operation Modes |
| Standard |
Real
COM, TCP Server, TCP Client, UDP, Pair Connection, RFC2217, Terminal,
Reverse Telnet, Ethernet Modem, Printer, PPP, Disabled |
| Secure |
Secure Real COM, Secure TCP Server, Secure TCP Client, Secure Pair Connection, SSH, Reverse SSH |
| • Applications |
| Terminal Sessions |
8 sessions per port |
| • Physical Characteristics |
| Housing |
Metal |
| Weight |
730 g |
| Dimensions |
Without ears: 77 x 111 x 28 mm (3.30 x 4.37 x 1.1 in)
With ears: 89 x 111 x 28 mm (3.50 x 4.37 x 1.1 in) |
| • Environmental Limits |
| Operating Temperature |
0 to 55°C (32 to 131°F) |
| Storage Temperature |
-40 to 75°C (-40 to 167°F) |
| Ambient Relative Humidity |
5 to 95% (non-condensing) |
| • Power Requirements |
| Input Voltage |
12 to 48 VDC |
| Power Consumption |
NPort 6250: 333 mA @ 12 V, 173 mA @ 24 V
NPort 6250-M-SC: 428 mA @ 12 V, 219 mA @ 24 V
NPort 6250-S-SC: 376 mA @ 12 V, 193 mA @ 24 V |
| Alarm Contact |
Relay output with current carrying capacity of 1 A @ 24 VDC |
| Power Line Protection |
1 KV burst (EN61000-4-4: EFT/B), 0.5 KV surge (EN61000-4-5) |
| • 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,
EN 61000-4-2 (ESD) Level 2/3,
EN 61000-4-3 (RS) Level 2,
EN 61000-4-4 (EFT) Level 2,
EN 61000-4-5 (Surge) Level 2,
EN 61000-4-6 (CS) Level 2,
EN 61000-4-8 Level 1,
EN 61000-4-11 |
| Freefall |
IEC-68-2-6, IEC-68-2-34, IEC-68-2-32 |
| Vibration |
IEC-68-2-6, IEC-68-2-34 |
| Green Product |
RoHS, CRoHS, WEEE |
| • Reliability |
| Alert Tools |
Built-in buzzer and RTC (real-time clock) |
| Automatic Reboot Trigger |
Built-in WDT (watchdog timer) |
| MTBF (mean time between failures) |
NPort 6250: 226,128 hrs
NPort 6250-M-SC: 225,762 hrs
NPort 6250-S-SC: 225,762 hrs |
| • Warranty |
| Warranty Period |
5 years |
Dimensions
Pin Assignment
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Features
- Simple solution for connecting serial devices to
a network
- Secure operation modes for Real COM, TCP Server,
TCP Client, Pair Connection, Terminal, and Reverse Terminal
- Non-standard baudrates supported with high
precision
- Choice of network medium: 10/100BaseTX or
100BaseFX
- Enhanced remote configuration with HTTPS and
SSH
- Port buffers for storing serial data when the
Ethernet is off-line
- Supports IPv6
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