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1. About Hotwire 8777 and 8779 TDM SDSL Units
1-2
May 2002 8700-A2-GB20-40
TDM SDSL Features
The 2-wire Hotwire 8777 or 8779 TDM SDSL Termination Unit is a circuit board
that is mounted in a Hotwire 8610 or 8810 Digital Subscriber Line Access
Multiplexer (DSLAM), or an 8620 or 8820 GranDSLAM, and used to transport
signals at high speeds over a twisted-pair connection.
Hotwire 8777 and 8779 TDM SDSL Termination Units have these standard
features:
Cross-Connection Capability.
Any DSL port and time slot can be connected
to any DTE port and time slot.
Embedded Operations Channel (EOC).
Provides remote management via
SNMP or Telnet session capability over the DSL network. The bandwidth of
the EOC is a 4 Kbps dedicated channel for the Model 8777 and 8 Kbps for the
Model 8779.
Asynchronous Terminal Interface (ATI).
Provides a menu-driven
VT100-compatible terminal interface for configuring and managing the unit
locally or remotely by Telnet session.
Local Management.
Provides local management using the DSLAM
management card with a:
— Terminal or PC via the Management Serial port of the DSLAM
— Network Management System (NMS) via the Management MCC port of
the DSLAM through the port card’s 10BaseT port
Remote Management.
Provides remote management:
— Out-of-band, using an external modem through the Management Serial
port of the DSLAM
— Inband using one of the DS0 channels as the management channel to
transport SNMP traffic to the MCC card (Model 8779 only).
— Via Telnet over the EOC
Alarm Indication.
Activates front panel LEDs.
Diagnostics.
Provides the capability to diagnose device and network
problems and perform tests, including digital loopbacks, pattern tests, and
self-test.
Device and Test Monitoring.
Provides the capability of tracking and
evaluating the unit’s operation, including health and status, and error-rate
monitoring.
Model . . . Has eight . . . And eight . . .
8777 TDM SDSL ports DSX-1 ports
8779 TDM SDSL ports G.703 ports