User's Manual

VOLUME III, CHAPTER 3, INU AND INUE INSTALLATION
DAC 4x Cable and Connector Data
Refer to:
l DAC 4x BNC Cable Assembly on page 92
l DAC 4x RJ-45 to RJ-45 Straight Cable on page 92
l DAC 4x RJ-45 to RJ-45 Crossover Cable on page 93
l DAC 4x RJ-45 to Wire Wrap Cable Assembly on page 93
l DAC 4x RJ-45 Connector Pin Assignments on page 94
DAC 4x BNC Cable Assembly
The assembly is provided as a kit of three cables. Each kit provides:
l One RJ-45 to 2 x BNC female, 0.5m long.
l Two BNC to BNC male extension cables, 2m or 5m long.
l One kit is labeled as a 2.5m cable kit, the other as 5.5m.
Each supports one trib. Four are required if all four ports of the DAC 4x are to be con-
nected.
At the RJ-45 plug RX connects to pins 1 and 2, and TX connects to pins 4 & 5. The
pin-numbered RJ-45 plug is pictured with its cable exiting to the rear.
Figure 3-11. DAC 4x RJ-45 to BNC Cable
Item Description
1 RX indicates Data In to the DAC.
2 TX indicates Data Out from the DAC.
3 75 ohm BNC female connectors.
DAC 4x RJ-45 to RJ-45 Straight Cable
Connectors at both ends of the cable are wired pin-for-pin as shown in the figure
below. It provides a balanced 120 ohm connection.
Each cable supports one trib. Four cables are required if all four ports of the DAC 4x
are to be connected.
Straight cable assemblies are used when connecting to RJ-45 patch panels, which
have a built-in crossover function.
92 AVIAT NETWORKS