NETernity™ RM942

NETernity unmanaged 6U VME 8-port 100BaseFX Ethernet switch with front I/O

This product entered a Restricted Production Phase (RPP) on January 30, 2010

Please refer to downloads section below if you require documentation or software. If you have any questions or require product support, including help migrating to our latest products, please contact us.
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NETernity™ RM942 is a fully integrated 8-port 6U VME 100BaseFX Ethernet switch designed to support the low-cost requirements of unmanaged switch applications and converging networks. The QoS technology allows low cost unmanaged switches to carry voice, and data traffic without having to compromise the quality of its voice traffic by using the packet prioritization scheme. Packets are prioritized based upon their Layer 2 VLAN priority tag or the Layer 3 Type-Of-Service/ Differentiated Services (TOS/DS) field. This priority can be defined as transmit and/or drop priority. The RM942 has no interface to the VMEbus (only power and ground). Customers can change the factory default port setting. The RM942 has a parallel port which can connect to a PC parallel port. The tool provided runs under Windows 98 and the setting is stored on non-volatile memory. The setting can take effect immediately or on the next power up.



  • Up to 8 port based VLAN
  • Allows explicit identification of IP Phone ports
  • Input ports are defined to be high or low priority
  • Provides port-based prioritization of packets on 4 ports
  • Enables mixed voice-data networks
  • 1k MAC address table
  • Auto address learning and Auto address aging Leading edge QoS capabilities, based on 802.1p and IP TOS/DS field
  • Full wire speed layer 2 switching on all ports
  • Front I/O, RJ-45 connectors
  • Eight 100BaseFX Ethernet Ports
  • Single slot 6U VMEbus
  • Provides both Full/Half duplex ports
  • Flow Control capabilities including back pressure for half-duplex and 802.3x flow control for full-duplex
  • Not recommended for new designs -- see NETernity RM981RC for new designs




Form Factor
Port Type
Management Type
Unmanaged Layer-2

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