Cisco MWR-1941-DC-2T1 Hardware Installation Guide - Page 83
V.35 Interface
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Appendix B Cable Specifications Serial Connection Signals and Pinouts Table B-11 EIA/TIA-449 DCE Cable Pinout (DB-60 to DB-37) (continued) 60-Pin J1-3 J1-4 J1-5 J1-6 J1-26 J1-25 J1-15 J1-16 Signal Name Note DSR/DTR+ Twisted pair no. 2 DSR/DTR- DCD/DCD+ Twisted pair no. 3 DCD/DCD- RXC/TXCE+ Twisted pair no. 10 RXC/TXCE- Circuit_GND Twisted pair no. 8 Circuit_GND Direction 37-Pin J2-31
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B-17
Cisco MWR 1941-DC Mobile Wireless Edge Router Hardware Installation Guide
78-15827-06B0
Appendix B
Cable Specifications
Serial Connection Signals and Pinouts
V.35 Interface
This section contains the following topics:
•
V.35 Connections
•
V.35 Serial Cable Assembly
V.35 Connections
The V.35 interface is recommended for speeds up to 48 kbps, although in practice it is used successfully
at 4 Mbps.
The network end of the V.35 adapter cable provides a standard 34-pin Winchester-type connector.
(See
Figure B-11
.) V.35 cables are available with a standard V.35 plug or receptacle in either DTE or
DCE mode.
Figure B-11
V.35 Adapter Cable Connectors, Network End
V.35 Serial Cable Assembly
Figure 12 shows the V.35 serial cable assembly.
Table B-12
lists the DTE pinout and
Table B-13
lists the
DCE pinout. Arrows indicate signal direction: —> means DTE to DCE and <— means DCE to DTE.
J1-3
J1-4
DSR/DTR+
DSR/DTR–
Twisted pair no. 2
<—
<—
J2-12
J2-30
TR+
TR–
J1-5
J1-6
DCD/DCD+
DCD/DCD–
Twisted pair no. 3
—>
—>
J2-13
J2-31
RR+
RR–
J1-26
J1-25
RXC/TXCE+
RXC/TXCE–
Twisted pair no. 10
<—
<—
J2-17
J2-35
TT+
TT–
J1-15
J1-16
Circuit_GND
Circuit_GND
Twisted pair no. 8
_
_
J2-19
J2-20
SG
RC
Table B-11
EIA/TIA-449 DCE Cable Pinout (DB-60 to DB-37) (continued)
60-Pin
Signal Name
Note
Direction
37-Pin
Signal Name
H1616a
DTE
DCE