TR1616
Owner’s Manual
19
BLU link Status Indicators
The dual 7-segment displays provide information about BLU link connections as described below.
16
.
TRANSMIT BANK (BLU LINK OUT)
DOT:
When the dot segment is lit, there is a valid
BLU link connection detected at the LOOP OUT port.
Flashing Display Segments:
When this display
flashes, an invalid BLU link connection is detected
at the LOOP OUT port.
NOTE:
The TRANSMIT BANK display indicates cable status for the LOOP
OUT port, regardless of snake mode.
16
.
RECEIVE BANK (BLU LINK IN)
DOT:
When the dot segment is lit, there is a valid
BLU link connection detected at the LOOP IN port
or at the SNAKE IN port.
Flashing Display Segments:
When this display
flashes, an invalid BLU link connection is detected
at the LOOP IN or SNAKE IN port.
NOTE:
The RECEIVE BANK display indicates cable status for the LOOP IN
port when snake mode is disabled. When snake mode is enabled, the
RECEIVE BANK display indicates cable status for the SNAKE IN port
Examples
• The TR1616 display will flash when an invalid BLU link connection is detected, such as
when a BLU link IN is connected to another BLU link IN.
• The TRANSMIT BANK dot on the #1 TR1616 in the example set up on page 12 would
not illuminate if there were no path connecting the #1 TR1616’s LOOP OUT to LOOP IN.
The signal flow diagrams below show how BLU link signals are redirected depending on the Snake
Enable switch position.
Snake Disabled
Snake Enabled
