Paradyne 24-Port SHDSL Mini DSLAM SMD2000-24T - Manual (Page 13)

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The speed and data passing capability of multiple SHDSL lines, as used for one network
connection, is cumulative. For example, loop bonding three SHDSL lines for one
network connection nets three times the speed and data passing capability of a
single-line SHDSL connection. Additionally, use of multiple SHDSL lines for one
connection provides automatic backup should one or more lines in the bonded group
experience problems or become disabled.
N OTE :
Upon connection, all ports in a bonded group will automatically default to the
configurations of the lowest numbered port of the group. Hence, the lowest
numbered port of the group should be configured prior to connection if you intend to
run the group with parameter settings other than the defaults.
Single Line SHDSL Connection
A single line SHDSL subscriber connection may be established with any standard
SHDSL subscriber equipment.
Verifying the Connection(s)
The LK (link) LED for each port connected with a remote modem will flash green to
indicate a connection has been established. An ACT LED flashing amber indicates
SHDSL activity. Link establishment time between the SMD2000-24T and remote SHDSL
modems can vary from one to five minutes depending on the quality, gauge, and length
of the copper cable pairs being used.
Note:
If any of the cable distances are greater than the configured bandwidth will support,
the units may not link up or, if they do achieve link, traffic quality may be affected (for
example, packets may be dropped).