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WAN Protocol Support

JBM Electronics' Gateways (Gateway 700, 800, 900 and 1000 Series) support Frame Relay and X.25 networks at T1/E1 speeds (1.544 - 2.088 Mbps). The G80 supports X.25 and the Gateways with async modems support async PPP through an integrated 56 KB (V.92 technology) modem.

Protocol Support
Frame Relay RFC 1490 (TCP/IP over Frame Relay)
RFC 1490 (SNA over Frame Relay)
RFC 1613 (X.25 over Frame Relay - Annex G)
HDLC/SDLC Encapsulation
Up to 255 DLCIs
IP CSLIP
SLIP
PPP
Multilink PPP
ISDN bri
pri
X.25 X.25 Sync PAD
X.25 Async PAD
RFC 877/1356 (TCP/IP or UDP over X.25)
QLLC (SNA over X.25)
PVC and SVC support
Up to 255 LCNs

Both the Frame Relay and X.25 implementations support all of the protocol-specific capabilities such as:

    Definable Committed Information Rate
    Effective congestion control through FECN, BECN, and the DE bit
    Inverse ARP (RFC 1293) support for simplified configuration

If you have any questions on our X.25 or Frame Relay support, please e-mail us. You can also review the setup worksheets for a complete list of the features supported for each protocol by clicking on the appropriate protocol: Frame Relay or X.25

Return to the Protocol Summary.

Click here for the Gateway Product Summary.