This handy cable allows you to make a variety of connections. XT30 or XT60 devices can be connected to SB50 or PP45, or you can ignore the XT connectors and use it to go between SB50 or PP45.
The XT connections are a male XT60 cable with a removable adapter (am-4092) to convert it to male XT30 to receive a REV FTC battery.