Cisco MWR 1941-DC - 1941 Mobile Wireless Router Hardware Installation Manual page 95

Appendix B Cable Specifications
Table B-22 X.21 DCE Smart Serial Cable Pinout
26-Pin Signal Name
J1-21
Drain
wire
J1-05
J1-18
J1-01
J1-14
J1-11
J1-10
J1-08
J1-09
J1-02
J1-15
J1-26
V.35 Smart Serial Cable Assembly
Table B-23
Arrows indicate signal direction: —> means DTE to DCE and <— means DCE to DTE.
Table B-23 V.35 DTE Smart Serial Cable Pinout
26-Pin Signal Name
J1-22
J1-23
J1-24
Drain
wire
J1-06
J1-19
J1-13
J1-26
78-15827-06B0
Note
MODE_2 Local connections
Shield
I_RXD/TXD+ Twisted pair no. 5
I_RXD/TXD–
O_TXD/RXD+ Twisted pair no. 8
O_TXD/RXD–
I_CTS/RTS+ Twisted pair no. 3
I_DSR/DTR+
O_RTS/CTS Twisted pair no. 2
O_DTR/DSR+
O_TXCE/RXC Twisted pair no. 7
+
O_TXCE/RXC
+
GND Twisted pair no. 1
Not used
Not used Twisted pair no. 4
Not used Twisted pair no. 6
Not used Twisted pair no. 9
lists the DTE pinout and
Note
MODE_1 Local connections
MODE_0
MODE_DCE
Shield
B_DCD/DCD+ Twisted pair no. 1
GND+
B_LL/LL+ Twisted pair no. 3
GND
Cisco MWR 1941-DC Mobile Wireless Edge Router Hardware Installation Guide
Direction
—
<—
<—
—>
—>
<—
<—
—>
—>
—>
—>
—
Table B-24 lists the DCE pinout for the V.35 Smart Serial cable.
Direction
—
<—
—
—>
—
Smart Serial Connection Signals and Pinouts
DB-15
Pin Signal Name
J2-01 Shield_GND
J2-02 TRANSMIT+
J2-09 TRANSMIT–
J2-04 RECEIVE+
J2-11 RECEIVE–
J2-03 CONTROL+
J2-10 CONTROL–
J2-05 INDICATION
J2-12 +
INDICATION
–
J2-06 TIMING+
J2-13 TIMING–
J2-08 CCT GND
Not used
Not used
Not used
Not used
V.35
Pin Signal Name
J2-A Shield_GND
J2-F RLSD
GND
J2-K LT
J2-B GND
B-29