 60 pin Cisco DB connector | 60 Pin1 | Signal | 25 Pin | Signal | Direction DTE DCE2 | J1-11 J1-12 | TxD/RxD+ TxD/RxD- | J2-2 J2-14 | BA(A), TxD+ BA(B), TxD- | 
 | J1-28 J1-27 | RxD/TxD+ RxD/TxD- | J2-3 J2-16 | BB(A), RxD+ BB(B), RxD- | 
 | J1-9 J1-10 | RTS/CTS+ RTS/CTS- | J2-4 J2-19 | CA(A), RTS+ CA(B), RTS- | 
 | J1-1 J1-2 | CTS/RTS+ CTS/RTS- | J2-5 J2-13 | CB(A), CTS+ CB(B), CTS- | 
 | J1-3 J1-4 | DSR/DTR+ DSR/DTR- | J2-6 J2-22 | CC(A), DSR+ CC(B), DSR- | 
 | J1-46 J1-47 | Shield_GND MODE_2 | J2-1 - | Shield - | Shorted | J1-48 J1-49 | GND MODE_1 | - - | - - | Shorted | J1-5 J1-6 | DCD/DCD+ DCD/DCD- | J2-8 J2-10 | CF(A), DCD+ CF(B), DCD- | 
 | J1-24 J1-23 | TxC/RxC+ TxC/RxC- | J2-15 J2-12 | DB(A), TxC+ DB(B), TxC- | 
 | J1-26 J1-25 | RxC/TxCE+ RxC/TxCE- | J2-17 J2-9 | DD(A), RxC+ DD(B), RxC- | 
 | J1-44 J1-45 | LL/DCD Circuit_GND | J2-18 J2-7 | LL Circuit_ GND |  - | J1-7 J1-8 | DTR/DSR+ DTR/DSR- | J2-20 J2-23 | CD(A), DTR+ CD(B), DTR- | 
 | J1-13 J1-14 | TxCE/TxC+ TxCE/TxC- | J2-24 J2-11 | DA(A), TxCE+ DA(B), TxCE- | 
 | Arrows indicate signal direction: indicates DTE to DCE,
and indicates DCE to DTE. 1 Any pin not referenced is not
connected. 2 The EIA-530 interface cannot be
operated in DCE mode. A DCE cable is not available for the EIA-530
interface. |  25 pin Cisco DB connector |