SignalJ2DirectionDescriptionSignalJ1
CC(A), DSR+
AC; GND
J2-6<——
—
Twisted pair no.
10
I_DSR/DTR+
I_DSR/DTR-
J1-12
J1-25
CF(A), DCD+
CF(B), DCD-
J2-8
J2-10
<——
<——
Twisted pair no.
11
IO_DCD/DCD+
IO_DCD/DCD-
J1-6
J1-19
DB(A), TxC+
DB(B), TxC-
J2-15
J2-12
<——
<——
Twisted pair no. 7IO_TxC/RxC+
IO_TxC/RxC-
J1-3
J1-16
DD(A), RxC+
DD(B), RxC-
J2-17
J2-9
<——
<——
Twisted pair no. 8I_RxC/TxCE+
I_RxC/TxCE-
J1-4
J1-17
LL
AB; GND
J2-18
J2-7
——>
—
Twisted pair no.
12
O_LL/DCD
Circuit GND
J1-13
J1-26
CD(A), DTR+
AC; GND
J2-20
J2-23
——>
—
Twisted pair no. 3O_DTR/DSR+
O_DTR/DSR-
J1-7
J1-20
DA(A),
TxCE+
DA(B),
TxCE-
J2-24
J2-11
——>
——>
Twisted pair no. 6O_TxCE/TxC+
O_TxCE/TxC-
J1-2
J1-15
Not used--Twisted pair no. 2--
The following table lists the EIA/TIA-530A DCE cable pinouts. Arrows indicate signal direction.
Any pin not referenced is not connected.
Note
Table 47: EIA/TIA-530A DCE Cable Pinouts (DB-25 Female Connector)
SignalJ2DirectionDescriptionSignalJ1
---Local ConnectionsMODE_2
MODE_1
J1-21
J1-22
Shield GNDJ2-1-Shield--
BA(A), TxD+
BA(B), TxD-
J2-2
J2-14
<——
<——
Twisted pair no. 5I_RxD/TxD+
I_RxD/TxD-
J1-5
J1-18
BB(A), RxD+
BB(B), RxD-
J2-3
J2-16
——>
——>
Twisted pair no. 9O_TxD/RxD+
O_TxD/RxD-
J1-1
J1-14
Cisco ASR 9000 Series Aggregation Services Router SIP and SPA Hardware Installation Guide
73
Overview: Cisco ASR 9000 Series Router Shared Port Adapters
4-Port Serial Interface SPA Cables, Connectors, and Pinouts
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