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NPort® S8455 Series
Serial-to-Ethernet Device Servers
Serial-to-Ethernet Device Servers >
9
General Specications
Device Server Specications
Rugged Design with Complete Protection
UL508 Safety
The NPort® S8455 series complies with the UL
508 standard, which covers safety requirements for
industrial control equipment.
Full Surge Protection
The NPort® S8455 series is equipped with surge
protection for power, Ethernet interface, and serial
interface to protect against voltage spikes.
Level 4 ESD
The NPort® S8455 series supports high level, 8/15
KV, ESD protection to prevent damage from static
electricity.
2 KV Serial Isolation
Each serial port is protected by 2 KV of isolation
protection to guard against harmful currents.
Power input (terminal block)
Relay output, DI (terminal block)
4 DIP switches for
Turbo Ring settings
Reset button
Serial console
Fiber port
Ethernet port (RJ45)
LED indicators
Serial port (DB9 male)
Appearance
Serial Interface
Number of Ports: 4
Serial Standards: RS-232/422/485
Connector: DB9 male
Serial Line Protection:
• 15 KV ESD protection for all signals
• 2 KV isolation protection
RS-485 Data Direction Control: ADDC® (automatic data direction
control)
Pull High/Low Resistor for RS-485: 1 KΩ, 150 KΩ
Terminator for RS-485: 55 Ω, 120 Ω
Console Port: Dedicated RS-232 console port (8-pin RJ45)
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 and XON/XOFF
Baudrate: 50 bps to 921.6 Kbps
Port Summary
Serial Ports: 4 RS-232/422/485 ports
Ethernet Switch Ports:
NPort S8455: 3 RJ45 copper ports and 2 multi-mode fiber ports
NPort S8458: 4 RJ45 copper ports and 4 multi-mode fiber ports
Console Ports: 1 (8-pin RJ45 connector)
Physical Characteristics
Housing: Metal
Weight: 995 g
Dimensions: 73.1 x 134 x 125 mm (2.88 x 5.27 x 4.92 in)
Environmental Limits
Operating Temperature:
Standard Models: 0 to 60°C (32 to 140°F)
Wide Temp. Models:
NPort S8455-T: -40 to 75° C (-40 to 167° F)
NPort S8458-T: -40 to 85° C (-40 to 185° F)
Storage Temperature: -40 to 85°C (-40 to 185°F)
Ambient Relative Humidity: 5 to 95% (non-condensing)
Power Requirements
Input Voltage: 12 to 48 VDC
Power Consumption: 935 mA @ 12 V, 470 mA @ 24 V
Standards and Certications
Safety: UL 508, UL 60950-1, EN 60950-1
EMC: CE, FCC
EMI: EN 55022 Class A, FCC Part 15 Subpart B Class A
EMS:
EN 55024,
IEC 61000-4-2 (ESD) Level 4,
IEC 61000-4-4 (EFT) Level 4,
IEC 61000-4-5 (Surge)
Level 1 for serial ports,
Level 2 for LAN ports,
Level 3 for power lines
Warranty
Warranty Period: 5 years
Details: See www.moxa.com/warranty
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
Software
Conguration Options: Web Console, Telnet Console, Serial 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, 3.0.x
Operation Modes: Real COM, TCP Server, TCP Client, UDP, RFC2217
Management: SNMP MIB-II
IP Routing: Static, RIP-I, RIP-II
Reliability
Alert Tools: Built-in buzzer and RTC (real-time clock)
Automatic Reboot Trigger: Built-in WDT (watchdog timer)
MTBF (mean time between failures): 200,951 hrs
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