Chapter1 RoutingSignals with Your NI 2590/2591
©NationalInstruments Corporation 1-3 NI2590/2591 User Manual
Connecting Signals
The front of the NI 2590 module has five “push-on”SMB connectors for
signalco nnections. The NI 2591 has five SMA female connectors. The
centerc onnection, labeled COM, is connected in a through path to one of
the other four connections depending on the software instructions sent to
the switch.

NI 2590 Front Connector

The following diagram shows the NI 2590 front connector. Table 1-1
describes the connector signals.
Figure1-1. NI2590 Front Connector
CH0
CH1
COM
CH2
CH3
2590
1
×
41.3 GHz Mux