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NPort S8455I-SS-SC-T - 4 port device server, RS-232/422/485, 3 port 10/100 Ethernet, 2 port 100M Single mode Fiber, SC connector by MOXA
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- 4-port RS-232/422/485 serial device server
- Serial QoS for configuring serial data transmission priority
- 2 kV isolation protection for each serial port (S8455I only)
- Adjustable pull high/low resistor for RS-485 ports (S8455I only)
- Built-in managed Ethernet switch
- S8455I fiber models: 2 fiber Ethernet ports and 3 Ethernet ports
- S8455I all-copper models: 5 Ethernet ports
- S8458 models: 4 fiber Ethernet ports and 4 Ethernet ports
- Ethernet redundancy with Turbo Ring and Turbo Chain (recovery time < 20 ms) or RSTP/STP (IEEE 802.1w/D) supported
- QoS, IGMP-snooping/GMRP, VLAN, LACP, SNMPv1/v2c/v3, RMON supported
- Surge protection for serial, Ethernet, and power
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The NPort S8455I-SS-SC-T Series combines an industrial device server with a full-function managed Ethernet switch with 4 RS-232/422/485 serial ports, allowing you to easily install, manage, and maintain the product. Combining a device server and switch in one product allows you to save space in your cabinet, reduce overall power consumption, and reduce costs, since you will not need to purchase a switch and serial device server separately.
General Specifications |
• Port Summary |
Serial Ports |
4 RS-232/422/485 ports |
Ethernet Switch Ports |
NPort S8455I: 3 RJ45 copper ports and 2 fiber ports
NPort S8458: 4 RJ45 copper ports and 4 fiber ports |
Console Ports |
1 (8-pin RJ45 connector) |
• Physical Characteristics |
Housing |
Metal |
Weight |
NPort S8455I: 592 g
NPort S8458: 1174 g |
Dimensions |
NPort S8455I: 73.1 x 134 x 125 mm (2.88 x 5.27 x 4.92 in)
NPort S8458: 93 x 144 x 125 mm (3.66 x 5.64 x 4.92 in) |
• Environmental Limits |
Operating Temperature |
Standard Models: 0 to 60°C (32 to 140°F)
Wide Temp. Models:
NPort S8455I-T: -40 to 75° C (-40 to 167° F)
NPort S8458-T: -40 to 85° C (-40 to 185° F) |
Storage Temperature |
-40 to 75°C (-40 to 167°F) |
Ambient Relative Humidity |
5 to 95% (non-condensing) |
Altitude |
Up to 2000 m |
Note |
Please contact Moxa if you require products guaranteed to function properly at higher altitudes. |
• Power Requirements |
Input Voltage |
12 to 48 VDC |
Power Consumption |
NPort S8455I: 935 mA @ 12 V, 470 mA @ 24 V
NPort S8458: 940 mA @ 12 V, 470 mA @ 24 V |
• Standards and Certifications |
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 |
Device Server Specifications |
• 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 (NPort S8455 only) |
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 |
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 |
• 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 |
Configuration Options |
Web Console, Telnet Console, Serial Console, Windows Search Utility |
Windows Real COM Drivers |
Windows 95/98/ME/NT/2000, Windows XP/2003/Vista/2008/7/8/8.1 (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 |
Operation Modes |
Real COM, TCP Server, TCP Client, UDP, RFC2217 |
Management |
SNMP MIB-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) |
NPort S8455I: 200,951 hrs
NPort S8458: 163,624 hrs |
Ethernet Switch Specifications |
• Ethernet Interface |
Standards |
IEEE 802.3 for 10BaseT
IEEE 802.3u for 100BaseT(X) and 100Base FX
IEEE 802.3x for Flow Control
IEEE 802.1D for Spanning Tree Protocol
IEEE 802.1w for Rapid STP
IEEE 802.1Q for VLAN Tagging
IEEE 802.1p for Class of Service
IEEE 802.1x for Authen |
Network Protocols |
ICMP, IPv4, TCP, UDP, ARP, Telnet, DNS, HTTP, SMTP, SNTP, IGMPv1/v2 device, GVRP, SNMPv1/v2c/v3, DHCP Server/Client, DHCP Option 82, BootP, TFTP, SNTP, SMTP, RARP, GMRP, LACP, RMON |
MIB |
MIB-II, Ethernet-Like MIB, P-BRIDGE MIB, Q-BRIDGE MIB, Bridge MIB, RSTP MIB, RMON MIB Group 1, 2, 3, 9 |
Flow Control |
IEEE 802.3x flow control, back pressure flow control interface |
• Switch Properties |
Priority Queues |
4 |
Max. Number of Available VLANs |
64 |
VLAN ID Range |
VID 1 to 4094 |
IGMP Groups |
256 |
• Optical Fiber Interface |
Table |
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• Switch Interface |
RJ45 Ports |
10/100BaseT(X) auto negotiation speed, F/H duplex mode, and auto MDI/MDI-X connection |
DIP Switches |
Turbo Ring, Master, Coupler, Reserve |
Alarm Contact |
2 relay outputs with current carrying capacity of 1A @ 24 VDC |
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