User's Guide

12/6/2019
25
Connecting NU and CU
Each CU connects to the NU using two Ethernet cables (Cat5e or better).
Figure 18. CU port assignment on the NU
Using a QRE
If distances greater than 100 meters from NU to CU are required, an extra 100 meters can be achieved by inserting
the QUATRA RANGE EXTENDER (QRE) between the NU and the CU.
Note: Only the QUATRA 4000 RANGE EXTENDER may be used. The QUATRA 1000 and QUATRA 2000 QRE
is not compatible with the QUATRA 4000.
LEDs
NU
The QUATRA 4000 NU has ten (10) LEDs on the front of the unit, used as status indicators, during setup and
normal operation. The LEDs are labeled.
The LEDs on the front of the QUATRA 4000 function as follows: