The CBL-AES1604 from Lynx Studio Technology is a 6-foot, 110Ω shielded, twisted pair cable.
Connectors consist of a 26-pin, high-density male D-Sub connector at one end, fanned out to 4 female XLRs for AES/EBU input (8-channels), 4 male XLRs for AES/EBU output (8-channels), and one female BNC connectors for word clock.
AES16/AES16e male DA-26HD to 8 XLR (4 AES In/4 AES Out). Two required for 16-channel operation. 6 feet in length.