Router Card (WS-X3011) Configuration Note 37
Synchronous Serial Cable Assemblies and Pinouts
EIA/TIA-449
Figure 15 shows the EIA/TIA-449 cable assembly. Table 13 lists the DTE pinouts. Table 14 lists the
DCE pinouts. Arrows indicate signal direction: —> indicates DTE to DCE, and <— indicates DCE
to DTE.
Figure 15
EIA/TIA-449 Cable Assembly
Table 13
EIA/TIA-449 Cable Pinouts (DTE)
J1-34
Shield
DSR/DTR
–
Twisted pair no. 11
<—
–
J2-20
Shield
DTR
–
J1-38
Shield
RxC/TxCE
–
Twisted pair no. 8
<—
–
J2-24
Shield
TxCE
–
60 Pin
Signal
Description
Direction
37 Pin
Signal
J1-49
J1-48
MODE_1
GND
Shorting group
–
–
–
J1-51
J1-52
GND
MODE_DCE
Shorting group
–
–
–
J1-46
Shield_GND
Single
_
J2-1
Shield GND
J1-11
J1-12
TxD/RxD+
TxD/RxD–
Twisted pair no. 6
—>
—>
J2-4
J2-22
SD+
SD–
J1-24
J1-23
TxC/RxC+
TxC/RxC–
Twisted pair no. 9
<—
<—
J2-5
J2-23
ST+
ST–
J1-28
J1-27
RxD/TxD+
RxD/TxD–
Twisted pair no. 11
<—
<—
J2-6
J2-24
RD+
RD–
J1-9
J1-10
RTS/CTS+
RTS/CTS–
Twisted pair no. 5
—>
—>
J2-7
J2-25
RS+
RS–
J1-26
J1-25
RxC/TxCE+
RxC/TxCE–
Twisted pair no. 10
<—
<—
J2-8
J2-26
RT+
RT–
J1-1
J1-2
CTS/RTS+
CTS/RTS–
Twisted pair no. 1
<—
<—
J2-9
J2-27
CS+
CS–
60 Pin
Signal
Description
Direction
25 Pin
Signal
H1973
60-pin connector (J1)
37-pin connector (J2)
Connectors are not to scale.
J2-19
J2-37
J2-20
J2-1
J1-46
J1-45
J1-16
J1-15
J1-1
J1-30
J1-31
J1-60