CTA-861.7 specifies changes to CTA-861-I [A]. The requirements of this standard are in addition to and complement CTA-861-I. All devices compliant to CTA-861.7 shall also comply with CTA-861-I, except that this standard modifies Sections 7.4, 7.5.14.1 through 7.5.14.4, and 7.5.19 of CTA-861-I.