User manual

Introduction 9
Specifications
Hardware Features
• VHSI (Very High Speed Interface) synchronous port
• ISDN port (for backup purposes) (Eicon 1551 only)
• Four-port 10BaseT Ethernet hub (RJ45)
• Console port (DB9 V.24 serial interface)
•Power jack
• Hard Reset button
• Indicator lights
• Flash memory for firmware upgrade (if available)
VHSI Port (Synchronous)
• 36-pin high-density D-type connector
• Auto-detection of the following interface types:
– V.24/EIA RS-232-C
–V.35
– V.36/RS-449
–X.21
– EIA-530
• Speeds: 2400 bps to 2048 Kbps, depending on interface
• Protocol support: PPP, X.25, Frame Relay
ISDN Port (Eicon 1551 only)
• The ISDN port (RJ-45) is designed to be used as a backup connection in case the
VHSI port connection is unavailable.
• ISDN switches supported:
– Europe: EuroISDN, UK (British Telecom), TPH (Microlink (TPH1962/TS013)),
Japan (INS-Net64), China ISDN, Singapore ISDN.
• Protocols:
– PPP
– Multilink PPP (two channels used for every connection)
– Multilink PPP with BACP (two channels used only when necessary)
• Compression: Ascend, MPPP, MS-STAC, STAC1, and STAC3.
• Authentication: PAP/CHAP, MS-CHAP.
• Connectivity timers can restrict usage of ISDN line to particular days and times.
• Usage limits can be set based on number of calls or time connected.
• Incoming calls supported.