NI PXI-2558
The NI PXI-2558 is a 4-channel, general-purpose switch module for the PXI bus that can carry 75 Ω RF signals up to 2.5 GHz. The NI PXI-2558 is composed of 4-SPDT relays.
Operation Modes
The following table lists the supported topology of the NI PXI-2558 and possible operation modes.
| Topology | Software Name | Immediate | Scanning |
|---|---|---|---|
| 4-SPDT | 2558/4-SPDT (NISWITCH_TOPOLOGY_2558_4_SPDT) |  | |