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1. BitStorm 1900 IP DSLAM
1900-A2-GN20-00 BitStorm 1900 Installation and Maintenance Guide 1-19
WAN Interface Card Specifications
The BitStorm 1900 system supports the MIU (Management Interface
Unit) WAN interface.
MIU (Management Interface Unit)
The MIU is the recommended WAN interface for the BitStorm 1900.
Seated next to the modem cards, the MIU processes Ethernet traffic and
manages modems. The MIU provides powerful management
capabilities including SNMP and the flexiblity of mixing and matching
modem cards for varied configurations.
The primary functions of the MIU are Ethernet Pass-Thru and Modem
Management/Auto-Discovery/Auto-Provisioning. When initialized, the
MIU automatically discovers and auto-provisions modems, on its shelf,
by writing a Shelf ID for each modem card in the shelf via an out-of-
band I²C configuration channel. Thereafter, the assigned modems will
only respond to commands from the associated MIU via the in-band
Ethernet connection.
Modem parameters can also be set in the Add/Search modem links
of the Database module in Site Manager.
The MIU communicates with the Site Manager or EMS, via TCP/IP,
which extends the flexibility of remote equipment location(s) and
network management. Each MIU requires only one
IP address (the
MIU IP address) to manage all modems within a shelf. The MIU uses
the Modex Daemon protocol to communicate directly with EtherLoop
CO and CPE modems.
An SNMP agent has been incorporated into the MIU which allows
SNMP PC programs such as the StormTracker EMS 2.x or Castle
Rock’s SNMPc to manage the MIU and EtherLoop modems. The
SNMP MIBs, including MIB II RFC 1213 and the EtherLoop MIB, are
listed in document 1900-A2-GK40, BitStorm 1900 IP DSLAM
Supported SNMP MIBs. MIBs are available from the Paradyne website
at www.paradyne.com.