Specifications
Hardware Features
•VHSI (Very High Speed Interface) port, supports V.24 and V.35 interfaces
•Ethernet 10BaseT RJ45 port
•AUX port (DB9 V.24 serial interface) (currently unsupported)
•Power jack
•Hard Reset button
•Indicators lights
•Flash memory for convenient firmware upgrade (if available)
VHSI Port (Synchronous)
•
•
–V.24 (EIA
–V.35
•Speeds: 2400 bps to 2048 Kbps, depending on interface
•Protocol support: PPP, Frame Relay, X.25, Frame Relay
Indicator Lights
•Power status
•VHSI port status
•AUX port status (currently unused)
•Ethernet connector status (located on the connector itself)
•Ethernet activity (located on the connector itself)
Protocol support
•PPP:
–PPP compression (PPP CCP, PPP
–Security: PAP, CHAP,
•X.25:
–CCITT/ITU compliance: X.25, X.32, and X.121 (1984)
–Up to eight X.25 virtual circuits (includes PVCs and SVCs)
–PVC and SVC support with inactivity timeouts
–Compression (Eicon Stacker, CISCO, Bay Networks)
•Frame Relay:
–IP over Frame Relay (RFC 2427)
–Maximum of 8 DLCI
–Routing between DLCI
–Congestion management (FECN, BENC)
–Extended LSN
–Automatic LMI detection
–Congestion control (FECN & BECN)
–Frame Relay compression (FRF.9)
Introduction | 9 |
