1. About the FrameSaver SLV

When the SLV Sample Interval is set to 10 seconds, provides advance detection of network problems before a DLCI Down indication is received, to minimize data loss.

Provides customer premises equipment (CPE) with a Backward Explicit Congestion Notification (BECN) when backup bandwidth is not sufficient for the traffic, allowing the CPE time to slow traffic to the ISDN before the network starts discarding data.

Supports Frame Relay Forum Multilink Frame Relay Implementation Agreement – FRF.15 so backup bandwidth can be increased by aggregating multiple B-channels over the ISDN link.

Supports collection of call and call attempt statistical information that can be viewed from the menu-driven user interface or via SNMP, and supports alarm generation and call security, as well.

Provides test call capability on ISDN backup links so ISDN and DBM function can be verified before there is an actual primary link failure and switched over to the backup link. Periodic tests are recommended, which can be performed from the menu-driven user interface, or through SNMP commands. Multiple Last Cause Values are also provided to assist in troubleshooting ISDN problems.

Additional FrameSaverTSLV 9126-II and 9128-II Features

Ethernet Interface. FrameSaver SLV 9126-II Routers and 9126-II and 9128-II CSU/DSUs units have a 10/100 BaseT Ethernet LAN interface for management, with automatic sensing of the operation rate of 10 Mb or

100 Mb, conforming to ANSI/IEEE 802.3.

Additional FrameSaver SLV 9128-II Features

he following features are unique to FrameSaver SLV 9128-II units:

Multiple Data Ports. Provides two data ports instead of one, which have

Tstandard connectors so no special-order cables are required.

Carrier-Mounted Models. For customers with high-density requirements, FrameSaver SLV 9128s and 9128-IIs can be ordered as multislot units, called Network Access Modules (NAMs), for insertion in the 14-slot 9000 Series Access Carrier.

9128-A2-GB20-80

September 2002

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Paradyne CSU, DSU Additional FrameSaverTSLV 9126-II and 9128-II Features, Additional FrameSaver SLV 9128-II Features