User's Manual

Table Of Contents
Interface connections | 212
QJET Interface connections
Pin
number
Pin function Direction TIA-568A wire
colour
1 Transmit Output Green/white
2 Transmit Output Green
3 Not used Orange/white
4 Receive Input Blue
5 Receive Input Blue/white
6 Not used Orange
7 Not used Brown/white
8 Not used Brown
RJ-45 connector LED indicators
LED Status Explanation
Green On Normal operation
Yellow On Loss of signal (LOS) or
Alarm Indication Signal (AIS) or
Loss Of Frame alignment (LOF) in Framed
modes
Green Flashing Port in loopback
The standard QJET interface is 120 ohm balanced.
External Balun transformers can be used to provide a 75 ohm unbalanced interface.