Industrial Ethernet Switches 4G Ports Gigabit Advanced Managed

1. 4 Gigabit Ethernet ports are ideal for building dual Gigabit redundant ring.
2. Recovery time < 20ms.
3. MSTP, RSTP
4. IP30

Features
       4 Gigabit ports for building dual Gigabit redundant rings
       Proprietary Protocol "Fi Ring" (recovery time <20ms) and RSTP/STP for network redundancy
       SNMPv3, IEEE 802.1X, HTTPS, and SSH to enhance network
       Easy network management through web browser, CLI, Telnet /serial console, Windows utility, SNMP
       Industrial-grade design with -40 to +75°C operating temperature and redundant power inputs

Specification
OnAccess 740:8x10/100BaseTX ports + 2x100BaseFX+ 4x1000BaseX(SFP slots)
OnAccess 746:16x10/100BaseTX ports +  4x1000BaseX(SFP slots)
Command Line Interface (CLI) for quickly configuration majormanaged functions
FMC Ring Protocol "Fi Ring" (recovery time < 20 ms),RSTPand STP for network redundancy
IGMP snooping for filtering multicast traffic
Port-based VLAN, IEEE 802.1Q VLAN, and GVRP to easenetwork planning
Support port mirroring
Support Access Control List(ACL)
Storm control for any combination of multicast,broadcast andDLF traffic control
QoS  and ToS/DiffServ to increase determinism
Port Trunking for optimum bandwidth utilization
SNMPv3, IEEE 802.1X, HTTPS, and SSH to enhance network security
SNMPv1/v2c/v3 for different levels of network management
RMON for ef<001F>ficient network monitoring and proactive capability
Bandwidth management prevents unpredictable network status
Lock port function for blocking unauthorized access based on MAC address
Automatic alarm through e-mail, relay output
Works with FirstMile FiVision NMS industrial network management software for traffic monitoring and easy network troubleshooting
Standards
IEEE 802.3
IEEE 802.3u
IEEE 802.3z
IEEE 802.1D-2004 for STP
IEEE 802.1w for Rapid STP
IEEE 802.1Q for VLAN Tagging
IEEE 802.1p for Class of Service
IEEE 802.1X for Authentication
IEEE 802.3ad for Port Trunk with LACP
IEEE 802.3x for Flow Control

Protocols
IGMPv1/v2, GVRP, SNMPv1/v2c/v3, DHCP Client,
TFTP, SMTP, RMON, HTTP, HTTPS, Telnet, Syslog,
SSH, SNMP Inform, SNTP Server/Client

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

Switch Properties
Priority Queues: 4
Max. Number of Available VLANs: 256
VLAN ID Range:  VID 1 to 4094
IGMP Groups: 256
MAC Table Size: 8K
Packet Buffer Size: 2 Mbit

Standards and Certifications
Safety: UL 60950-1
EMI: FCC Part 15 Subpart B Class A, EN 55022 Class A
EMS:
EN 61000-4-2 (ESD) Level 4, EN 61000-4-3 (RS) Level 3,
EN 61000-4-4 (EFT) Level4, EN 61000-4-5 (Surge) Level 4,
EN 61000-4-6 (CS) Level 3, EN 61000-4-8 Level 3
Shock:  IEC 60068-2-27
Freefall:  IEC 60068-2-32
Vibration:  IEC 60068-2-6