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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B-32
Cisco MWR 1941-DC Mobile Wireless Edge Router Hardware Installation Guide
78-15827-06B0
Appendix B
Cable Specifications
Smart Serial Connection Signals and Pinouts
J1-02
J1-15
O_TCXE/RXC
+
0_TXCE/RXC
Twisted pair no. 6
—>
—>
J2-24
J2-11
DB(A);
TXCE+
DB(B);
TXCE–
J1-03
J1-16
B_TXC/TXC+
B_TXC/TXC–
Twisted pair no. 7
<—
<—
J2-15
J2-12
DB(A); TXC+
DB(B); TXC–
J1-07
J1-20
O_DTR/DSR+
O_DTR/DSR–
Twisted pair no. 3
—>
—>
J2-20
J2-23
CD(A); DTR+
CD(B); DTR–
Not used
Twisted pair no. 2
Not used
Table B-26
RS-530A DCE Smart Serial Cable Pinout
26-Pin
Signal Name
Note
Direction
DB-25
Pin
Signal Name
J1-21
J1-22
J1-24
MODE_2
MODE_1
MODE_DCE
Local connections
Drain
wire
Shield
J2-01
Shield_GND
J1-06
J1-19
B_DCD/DCD+
B_DCD/DCD–
Twisted pair no. 11
<—
<—
J2-08
j2-10
CF(A); DCD+
CF(B); DCD–
J1-13
J1-26
B_LL/LL+
GND
Twisted pair no. 12
—>
J2-18
J2-07
LL
AB; GND
J1-05
J1-18
I_RXD/TXD+
I_RXD/TXD–
Twisted pair no. 9
<—
<—
J2-03
J2-16
BB(A); RXD+
BB(B); RXD–
J1-01
J1-14
O_TXD/RXD+
O_TXD/RXD–
Twisted pair no. 5
—>
—>
J2-02
J2-14
BA(A); TXD+
BA(B); TXD–
J1-11
J1-10
I_CTS/RTS+
I_DSR/RTS–
Twisted pair no. 4
<—
<—
J2-05
J2-13
CB(A); CTS+
CB(B); CTS–
J1-12
J1-25
I_DSR/DTR+
GND
Twisted pair no. 10
<—
J2-06
CC(A); DSR+
AC; GND
J1-03
J1-16
B_TXC/TXC+
B_TXC/TXC–
Twisted pair no. 7
<—
<—
J2-15
J2-12
DB(A); TXC+
DB(B);
TXCS–
J1-08
J1-09
O_RTS/CTS
O_RTS/CTS–
Twisted pair no. 1
—>
—>
J2-04
J2-19
CA(A); RTS+
CA(B); RTS–
J1-04
J1-17
I_RXC/TXCE
+
I_RXC/TXCE–
Twisted pair no. 8
<—
<—
J2-17
J2-09
DD(A); RXC+
DD(B); RXC–
Table B-25
EIA-530 DTE Smart Serial Cable Pinout (continued)
26-Pin
Signal Name
Note
Direction
DB-25
Pin
Signal Name