Cisco MWR-1941-DC-2T1 Hardware Installation Guide - Page 98
Signal Name, Direction, DB-25
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Smart Serial Connection Signals and Pinouts Appendix B Cable Specifications Table B-25 EIA-530 DTE Smart Serial Cable Pinout (continued) 26-Pin Signal Name Note J1-02 J1-15 O_TCXE/RXC + 0_TXCE/RXC - Twisted pair no. 6 J1-03 B_TXC/TXC+ Twisted pair no. 7 J1-16 B_TXC/TXC- J1-07 O_DTR/DSR+ Twisted pair no. 3 J1-20 O_DTR/DSR- Not used Twisted pair no. 2 DB-25 Direction Pin Signal Name -> J2-24 DB(A); -> J2-11 TXCE+ DB(B); TXCE- J2-23 CD(B); DTR- Not used Table B-26 RS-530A DCE Smart Serial Cable Pinout 26-Pin Signal Name Note J1-21 MODE_2 J1-22 MODE_1 J1-24 MODE_DCE Local connections Drain wire Shield J1-06 B_DCD/DCD+ Twisted pair no. 11 J1-19 B_DCD/DCD- J1-13 B_LL/LL+ J1-26 GND Twisted pair no. 12 J1-05 I_RXD/TXD+ Twisted pair no. 9 J1-18 I_RXD/TXD- J1-01 O_TXD/RXD+ Twisted pair no. 5 J1-14 O_TXD/RXD- J1-11 I_CTS/RTS+ Twisted pair no. 4 J1-10 I_DSR/RTS- J1-12 I_DSR/DTR+ Twisted pair no. 10 J1-25 GND J1-03 B_TXC/TXC+ Twisted pair no. 7 J1-16 B_TXC/TXC- J1-08 J1-09 J1-04 J1-17 O_RTS/CTS Twisted pair no. 1 O_RTS/CTS- I_RXC/TXCE Twisted pair no. 8 + I_RXC/TXCE- DB-25 Direction Pin Signal Name - J2-01 Shield_GND
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