In the Configuration Guide JCA chapter [1], there is an incomplete sentence:

It is similar to a datasource object, however

Either fix this to whatever it is meant to say, or remove it. This affects both 7.0 and 7.1.

[1] https://access.redhat.com/documentation/en-us/red_hat_jboss_enterprise_application_platform/7.0/html/configuration_guide/jca_management#java_connector_arch