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SMI-A0 Series
8/16*10/100TX extended temperature SNMP Managed Ethernet Switch



  • SMI-A0016E


Designed for the application in harsh environments, the SMI-A0 Series Switch comes with eight or sixteen 10/100TX ports with optional two combo Giga ports in a package that offers several mounting options. The SMI-A0 functions at temperatures ranging from -40°C to 75°C. It could be fully managed via SNMP, Web Browser, Telnet or Console port. The SMI-A0 is designed to integrate 10/100 Mbps networks into fiber optic Gigabit backbones. The 2 combo Gigabit ports can be copper or fiber optic ports. The SMI-A0 series supports advanced features such as 802.1Q VLAN, MAC-based Trunking, IP-Multicast IGMP Snooping, Rapid Spanning Tree for Redundancy, QoS for priority queuing, and port mirroring. Users may choose among SNMP/RMON, Web browser, or Telnet for remote monitoring and configuration. It also supports rate control, which allows users to set the maximum bandwidth on each port individually. WiLCONN, Inc. offers a line of products that provide a total solution for Ethernet applications in industrial and rugged environments.

Product Information


● Complies with IEC61000-6-2 EMC Generic standard

● IEEE802.1w RSTP, IEEE802.1S MSTP and IEEE802.1D STP compatible

● Superior W-Ring network connection redundancy (recovery time< 25 ms)

● IP Multicast Filtering through IGMP Snooping

● Supports port-based VLAN and IEEE802.1Q VLAN Tagging and GVRP

● IEEE802.1p QoS with four priority queues

● MAC-based trunking with automatic link fail-over

● RS-232 console, Telnet, SNMP V1& V2 & V3 , RMON, Web Browser, and TFTP Management

● Supports Command Line Interface in RS-232 Console

● Supports IEEE802.1x Security

● Bandwidth Rate Control

● Per-port programmable MAC address locking

● Up to 24 Static Secure MAC addresses per port

● Port mirroring

● 8192 MAC addresses

● 2M bits buffer memory

● 1000Mbps-Full-duplex, 10/100Mbps-Full/Half-duplex, Auto-Negotiation, Auto-MDI/MDIX

● Full wire-speed forwarding rate

● Alarms for power and port link failure by relay output

● Redundant power inputs with Terminal Block and DC Jack

● -40°C to 75°C (-40°F to 167°F) operating temperature range

● Hardened aluminum case

● Supports DIN-Rail, Panel Mounting installation



Regulatory Approvals

Standards: ISO:
● IEEE802.3 10Base-T, IEEE802.3u 100Base-TX, IEEE802.3ab 1000Base-T, IEEE802.3z 1000Base-SX/1000Base-LX, IEEE802.3x, IEEE802.1p, IEEE802.1Q, IEEE802.1w, IEEE802.1x ● Manufactured in an ISO9001 facility
Protocols: SAFETY:
● IGMP, GVRP, SNMP V1/V2, RMON, TFTP ● UL508, EN60950-1, IEC60950-1
Forward and Filtering Rate: EMI:
● 14,880pps for 10Mbps  ● FCC Part 15, Class A
● 148,810pps for 100Mbps  ● EN61000-6-3
● 1,488,100pps for 1000Mbps EN55022
Packet Buffer Memory: EN61000-3-2
● 2M bits EN61000-3-3
Processing Type: EMS:
● Store-and-Forward ● EN61000-6-2
● Half-duplex back-pressure and IEEE802.3x full-duplex flow control   ● EN61000-4-2 (ESD Standards)
Address Table Size: Contact: + / – 4KV; Criteria B
● 8192 MAC addresses  Air: + / – 8KV; Criteria B


    ● EN61000-4-3 (Radiated RFI Standards)
Input:  10V/m, 80 to 1000MHz; 80% AM Criteria A
● Input Voltage: 12 to 48VDC (Terminal Block); 12VDC (DC Jack)    ● EN61000-4-4 (Burst Standards)
Power Consumption: Signal Ports: + / – 4KV; Criteria B
● 9.12W MAX. 0.76A @ 12VDC, 0.38A @ 24VDC, 0.19A @ 48VDC

D.C. Power Ports: + / – 4KV; Criteria B

wer Supply References:  A.C. Power Ports: + / – 4KV; Criteria B
● Terminal Block: 12 to 24VDC, 1.5A  ● EN61000-4-5 (Surge Standards)
     DC Jack: 12VDC, 3A Signal Ports: + / – 1KV; Line-to-Line; Criteria B
Overload Current Protection:

D.C. Power Ports: + / – 0.5KV; Line-to-earth; Criteria B

● YES  A.C. Power Ports: + / – 2KV; Line-to-earth; Criteria B
Reverse Polarity Protection:  ● EN61000-4-6 (Induced RFI Standards)
● YES  Signal Ports: 10Vrms @ 0.15~80MHz; 80% AMCriteria A


D.C. Power Ports: 10Vrms @ 0.15~80MHz; 80% AM Criteria A


A.C. Power Ports: 10Vrms @ 0.15~80MHz; 80% AM Criteria A

● Aluminum case ● EN61000-4-8 (Magnetic Field Standards)
● IP20  30A/m @ 50, 60Hz; Criteria A
Dimensions: ● EN61000-4-11 (Voltage Dip Standards)
● 65mm (W) x 125mm (D) x145mm (H)  A.C. Power Ports: 30% Reduction for 0.5 period; Criteria B
     (2.56″ (W) x 4.92″ (D) x 5.71″ (H)) Environmental Test Compliance:
Weight:   ●   IEC60068-2-6 Fc (Vibration Resistance)
● 1Kg (2.2lbs.)

5g @ 10~150KHz, Amplitude 0.35mm (Operation/Storage/Transport)

stallation: ●   IEC60068-2-27 Ea (Shock)
● DIN-Rail, Panel, Rack Mounting

25g @ 11ms (Half-Sine Shock Pulse; Operation)


50g @ 11ms (Half-Sine Shock Pulse; Storage/Transport)

Ethernet Port: ●   IEC60068-2-32 Ed (Free Fall)
● 10/100Base-TX: 16, 12 or 8 ports  1M (3.281ft.)
● 100Base-FX:0, 1, 2 or 4 ports
● Gigabit: 0, 1 or 2 ports
Console Port:
● Port: One DB9 RS-232 port
LED Indicators:
● Per Unit: Power Status (Power 1, Power 2, Power 3)
● Per Port: 10/100Base: Link/Activity
● 1000Base: Link/Activity (Green: Copper, Amber: Fiber)
Alarm Contact:
● One relay output with current 1A@24VDC


Operating Temperature:
● -40°C to 75°C (-40°F to 167°F)
● Tested @ -40°C to 85°C (-40°F to 185°F)
Storage Temperature:
● -40°C to 85°C (-40°F to 185°F)
Ambient Relative Humidity:
 ● 5% to 95% (non-condensing)


Order Information
 SMI-A0016E 16 * 10/100TX SNMP managed industrial Ethernet switch; extended temperature with W-Ring
 SMI-A0008E 8 * 10/100TX SNMP managed industrial Ethernet switch; extended temperature with W-Ringu


Installation: DIN Rail (mounting kit is included)
Power Connector: Terminal Block