This connector description is only correct with the codirectional G.703/E0 64 kbps daughter board.
Available cables:
FG-CAB-DB26-OR3-OPEN
Cable Orion3 Universal, DB26MH to Open, 1.0m, UL2464, AWG-26, OD=8mm
FG-CAB-N21-OR3-DCE
Cable Orion3 Nx64 to X.21, DB26MH to DB15M, DCE, 1.0m, UL2464, AWG-28, OD=5mm