Brother Copier/Printer MFC-9970CDW - Manual (Page 202)

186
Interfaces
D
1
Your machine has a Hi-Speed USB 2.0 interface. The machine can also be connected to a computer that has a
USB 1.1 interface.
2 Third party USB ports are not supported.
3 See Network (LAN) on page 192 and the Network User's Guide for detailed network specifications.
USB It is recommended you use a USB 2.0 cable (Type A/B) that is no
more than 6 feet (2 meters) long.
1 2
Ethernet 3 Use an Ethernet UTP cable category 5 or greater.
Wireless LAN
3 IEEE 802.11 b/g (Infrastructure / Ad-hoc Mode)