• Truly rugged design with -40 to 85°C operation
• Pre-configured for plug and play simplicity
• Link loss recovery of 30 mS + 5 mS per hop!
• Compact, low-profile packaging that fits in
  tight spaces and shallow enclosures

ADVANCED HARDWARE FEATURES

• Nine Ethernet Ports that are fully IEEE 802.3 compliant
  • Six 10/100 RJ45 ports that are auto-detecting, auto-crossover and auto-polarity
  • Up to three 10/100/1000 RJ45 ports that are auto-detecting, auto-crossover and auto-polarity
  • Up to two 1000 Mbps fiber optic ports for
    distances up to 80 km
• Self-test / alarm output for reporting errors
• Dual redundant power inputs with industrial
  surge and spike protection
• DIN rail or direct panel mounting
  (no extra kits required)

• Real-time Ring™ for ultra-fast fault-tolerant loops
• Link loss recovery of 30 mS + 5 mS per hop!
• Priority Queuing (QoS/CoS) for real-time operation
• Modbus over Ethernet monitoring - use Modbus to monitor power and ring status
• Free and easy to use Windows configuration utility (Optional: only needed for advanced operation; the switch and rings are plug & play and work right out of the box!)
• Message filtering to prevent broadcast storms
• Store and forward wire speed switching - no delays!

• Ultra-reliable with 1,000,000+ service-free hours (MTBF)
• Free field-installable upgrades forever 
• Unique 20-year support and service policy
• Industrial -40 to +85°C operating range
• UL, CSA (CUL), & CE certified
• DNV marine & offshore rated
• Hazardous locations rated for Class I, Div. 2
  (Zone 2) areas

GENERAL

• Operation: Store and forward wire speed switching, non-blocking
  
• Modes: Full or half duplex operation with flow control supported on all ports
• Memory Bandwidth: 32 Gbps
• Latency (typical): 5 us for 100 Mbps and 16 us for 10 Mbps (plus frame time)
• Ethernet Isolation: 1500 Vrms 1 minute

• RJ45 Ports: Up to nine RJ45 ports that are fully IEEE 802.3 compliant
• RJ45 Speed & Duplex: Configurable or auto-detecting for speed & duplex (full or half), ports 1-6 are 10/100, port 7 and optionally 8 & 9 are 10/100/1000
• RJ45 MDI/MDIX: Auto-mdi/mdix-crossover automatically supports either straight or crossed cables
• RJ45 Polarity: Auto-polarity for automatic correction of crossed TXD and RXD pairs

• Fiber Optic Ports: Up to two 1000 Mbps fiber optic ports for distances up to 80 km>
• Transceivers: SFP (mini-gbic pluggable) with LC style connectors
• Multimode: Links up to 550 m typical; 850 nm; use with 50-62.5/125 um fiber

• Transmitter power (dB): -9 min, -3 max 
• Receiver sensitivity (dB): -18 max

• Transmitter power (dB): -9 min, -3 max 
• Receiver sensitivity (dB): -20 max

• Transmitter power (dB): -9 min, -3 max 
• Receiver sensitivity (dB): -20 max 

• Transmitter power (dB): -4 min, -2 max 
• Receiver sensitivity (dB): -23 max

• Transmitter power (dB): -4 min, -2 max 
• Receiver sensitivity (dB): -23 max

• Transmitter power (dB): 0 min, +5 max 
• Receiver sensitivity (dB): -23 max

• Devices Supported: All IEEE 802.3 compliant devices are supported
• Protocols & Features: All IEEE 803.2, Real-time Ring™, QoS/CoS/ToS/DS, port mirroring, broadcast storm protection, Modbus monitoring
• Real-time Ring™: Maximum recommended switches in a ring: 50 for best performance but more is possible
  
• Dual ring support: Yes
• Link loss recovery time: 30 mS plus 5 mS per hop
• Industrial Protocols Supported: Modbus/TCP, EtherNet/IP, PROFInet, Foundation Fieldbus HSE and others
• Standards: IEEE 802.3, 802.3u, 802.3x, 802.1p, 802.3z
• Management Interfaces: Free Windows configuration utility (only needed to configure advanced capabilities such as QoS, port mirrioring, Modbus monitoring
  

• Power Input: Dual redundant power inputs for redundant power supplies
• Input Voltage Range: 10 to 30 VDC
• Power Consumption: 8.0 W typical with all ports linked and active
• Industrial surge and spike protection: 15 kW peak, 5 kW (10 times for 10 us)
• Self-test / Alarm Output: Same voltage as power input; 0.5 Amps max.

• Operating Temperature: -40 to 85°C (cold startup at -40°C)
• Storage Temperature: -40 to 85°C
• Humidity: 5 to 95% RH (non-condensing)
• Vibration: IEC68-2-6
• Shock: IEC68-2-27
• Freefall: IEC68-2-32

• Electrical Safety: UL508 & CSA C22.2/14 per CUL, EN61010-1
• EMC: FCC part 15, ICES-003, EN55022, IEC61326-1
• Hazardous Locations: UL1604, CSA22.2/213 per CUL (Class I, Div. 2, Groups A, B, C, D); EN50021/EN60079-15 (Zone 2), ATEX Group II, Cat 3 (Zone 2), EEx nA II T4 X
• Marine and Off-shore: DNV (Det Norske Veritas) No. 2.4
• MTBF: Mean Time Between Failure: >1,000,000 hours
• RoHS and WEEE: RoHS (Pb free) and WEEE compliant
• ISO9001:2000: Certified "Total Quality" company
• Industrial Warranty: 3 years with product registration

• Case: Low profile, ideal for shallow enclosures and tight spaces
• Material: Rust-proof Lexan and aluminum with clear protective coating
• Protection: IP30 protection from dust and debris
• Mounting: DIN rail or direct to panel (no optional kits or accessories required)
• Dimensions: 3.8" x 6.25" x 2.3" (9.6 cm x 15.9 cm x 5.8 cm)
• Weight : 12 oz. (0.34 kg)

• ET-9RG Datasheet
• Ring Switch User Manual
• ET9MG/ET9RG (.gif) Drawing