PC/104 Switch with five 10/100MB Ethernet ports
Eurotech Group Vendor:
Eurotech Group
  • Details
  • Specification
  • 5x Fast Ethernet ports
  • PC/104-Plus compliant
  • 64KB SRAM frame buffer
  • Operating temperature: 0 to + 60°C (standard), -40 to + 85°C (extended)

The COM-1267 is a versatile five-port Ethernet switch. A cross-over connection can be realized between ports 2 and 3. The board features QoS for DiffServ priority.

The COM-1267 is a versatile 10/100Mbps five-port Ethernet switch that can function in 10BaseT or 100BaseTX modes and allow connections made through onboard RJ-45 connectors. The COM-1267 can be used as a standalone module or integrated within a PC/104 or PC/104-Plus system together with a Eurotech CPU module.

Cross-over connection
The COM-1267 can optionally feature a cross-over connection between Ethernet ports 2 and 3 that can be activated via software, automatically activated when the board is powered off, or activated when a Watchdog signal is received from the host Eurotech CPU module.

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Technical specifications
Architecture PC/104-Plus compliant
Can be also used in PC/104-only architectures or Standalone
RAM 64KB SRAM frame buffer
Network Integrated five port 10/100 Mbps Ethernet switch with physical layer transceivers
10BaseT and 100BaseTX operating modes
Features QoS for DiffServ priority, 802.1p based priority or port based priority support
LED indicators for link, activity, full/half duplex and speed
Unmanaged operation via EEPROM at system reset time
Hardware based 10/100, full/half, flow control and auto negotiation
Individual port forced modes (full duplex, 100BaseTX) when auto negotiation is disabled
Integrated address Look-Up Engine, supports 1K absolute MAC address
Automatic address learning, address aging and address migration
Broadcast storm protection
Full duplex IEEE 802.3x flow control
Half duplex back pressure flow control
Supports MDI / MDI-X auto crossover
Power Supply Single +5V DC
Power Consumption 3W typical
Superior analog technology for reduced power consumption
Mechanical Dimensions: 90 x 96 mm (3.6" x 3.8")
Height: 11 mm (0.4")
Options Extended operating temperature range
Conformal coating
Custom Connectors

Environmental and physical specifications

Operating Temperature 0 to + 60°C (standard), -40 to + 85°C (extended)
Humidity 0 to 95% non-condensing, at 40°C
ROHS Fully RoHS (2002/95/CE) Compliant
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