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The NetLink-T1™ can be initialized via the configuration in the on-
board permanent memory (EEPROM) or via the internal DIP switches
(Switch). Once the unit is powered up, you may change the settings
through the control port or the DIP switches.
If you do not have a terminal, you may force the unit to use the
DIP switches as the default configuration source by turning off the unit,
setting all the DIP switches to the ON position, then powering on the
unit.
DS0 Channel Configuration Menu [ Bandwidth/# Channels =
1,536/24 ]
(default)
The DS0 Channel Configuration Menu has a sub-menu that looks
like this:
You may configure the NetLink-T1™ to operate with any combina-
tion of active and inactive DS0 channels in this screen. When you exe-
cute the Save Changes command, the selected settings will be saved
to permanent memory, and the system will be updated to operate with
the new channel settings.
NOTE: In Unframed format, the Bandwidth Selected will display
“1,544k,” and the Total Channels will display “n/a.” When the DS0
Channel Rate is 56kbps, the Bandwidth Selected will be a multiple
of 56k, not of 64k. When using the DIP switches to set the band-
width, the starting channel is always channel 1.
Front Panel Switches: Enabled
(default)
Options: Enabled, Disabled
This feature will enable or disable the front panel switches. If your
rack cards are located in an environment where the front panel switches
could accidentally be toggled, the user should disable the switches until
they are needed. The unit will still respond to loop commands from the
remote unit and from the software menus if the switches are disabled.
3.3.5 System Diagnostics
The System Diagnostics/Statistics screen looks like this:
NOTE: This screen is updated once per second.
The System Diagnostics/Statistics options and functions are
described below.
Local Loop Idle
(default)
The Local Loop is a bi-lateral loopback in which the data from the
local DTE and the data from the remote unit are looped back to their
respective sources (See Section 5.3). Activate this loop to test the
each of the DTE’s connection to the NetLink-T1™.
The Local Loop test has four states:
Idle
No user-controlled loopbacks are active.
LL
The NetLink-T1™ is in local loopback mode.
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