Chapter 2. Installation and Operation
In Test
This LED is active when the DTE interface is in a loopback
condition or is performing a BERT test.
TD
This LED is active when the T3SU 300 DTE port is transmitting
data.
RD
This LED is active when the T3SU 300 DTE port is receiving data.
61200217L1-1
T3SU 300 User Manual
2-11