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46 IQ Probe User Manual 61200214L1-1
Chapter 6. DTE Port Configuration
Forced On
The CD lead is always on.
Normal
The CD lead is off when the IQ Probe does not receive CD from
the DSU/CSU on the DCE port.
TC Clock Option (TC CLOCK OPT)
Normal
Clock for DTE's transmit data normal phase.
Inverted
Clock for DTE's transmit data inverted phase. May be used in
high speed circuits (>512 kbps) when the DTE's V.35 interface
has high delay. This is usually indicated by HDLC errors on the
IQ Probe's DTE port.
Frame Relay Options (FR OPTS)
These selections apply to the signaling between the router or
FRAD and the IQ Probe DTE port.
T392
Set the timeout (in seconds) between polling intervals. This
parameter needs to be a few seconds longer than the T391 setting
of the attached frame relay device.
N392 and N393
These parameters define the error threshold for the UNI (user to
network interface) formed by the IQ Probe DTE port and the
attached frame relay device. If the error threshold is met, the
signaling state status is changed to down, which indicates a
service-affecting condition. This condition is cleared once N393
consecutive error-free events are received. N392 defines the
number of errors required in a given event window, while N393
defines the number of polling events in each window.