Paradyne IP Broadband Loop Carrier 12000E Installation Instructions Manual page 17

5. Verify the connection(s). The LK (Link) LED for each port being connected
with a remote modem will illuminate solid or flashing green (depending on the
interface module model) to indicate a connection has been established. Link
up time between interface modules and remote modems can vary from one to
five minutes depending on the quality, gauge and distance of the copper cable
pair(s) being used. Refer to individual interface module user guides for specific
information such as connector pinouts, parameter configurations and distance
capabilities.
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IPD1-A2-GZ40-10 July 2005