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Overview: Cisco ASR 9000 Series Router Shared Port Adapters
J1
Signal
J1-12
I_DSR/DTR+
J1-25
I_DSR/DTR-
J1-6
IO_DCD/DCD+
J1-19
IO_DCD/DCD-
J1-3
IO_TxC/RxC+
J1-16
IO_TxC/RxC-
J1-4
I_RxC/TxCE+
J1-17
I_RxC/TxCE-
J1-13
O_LL/DCD
J1-26
Circuit GND
J1-7
O_DTR/DSR+
J1-20
O_DTR/DSR-
J1-2
O_TxCE/TxC+
J1-15
O_TxCE/TxC-
-
-
The following table lists the EIA/TIA-530A DCE cable pinouts. Arrows indicate signal direction.
Note
Any pin not referenced is not connected.
Table 47: EIA/TIA-530A DCE Cable Pinouts (DB-25 Female Connector)
J1
Signal
J1-21
MODE_2
J1-22
MODE_1
-
-
J1-5
I_RxD/TxD+
J1-18
I_RxD/TxD-
J1-1
O_TxD/RxD+
J1-14
O_TxD/RxD-
Description
Direction
Twisted pair no.
<——
10
—
Twisted pair no.
<——
11
<——
Twisted pair no. 7
<——
<——
Twisted pair no. 8
<——
<——
Twisted pair no.
——>
12
—
Twisted pair no. 3
——>
—
Twisted pair no. 6
——>
——>
Twisted pair no. 2
-
Description
Direction
Local Connections
-
Shield
-
Twisted pair no. 5
<——
<——
Twisted pair no. 9
——>
——>
Cisco ASR 9000 Series Aggregation Services Router SIP and SPA Hardware Installation Guide
4-Port Serial Interface SPA Cables, Connectors, and Pinouts
J2
Signal
J2-6
CC(A), DSR+
AC; GND
J2-8
CF(A), DCD+
J2-10
CF(B), DCD-
J2-15
DB(A), TxC+
J2-12
DB(B), TxC-
J2-17
DD(A), RxC+
J2-9
DD(B), RxC-
J2-18
LL
J2-7
AB; GND
J2-20
CD(A), DTR+
J2-23
AC; GND
J2-24
DA(A),
TxCE+
J2-11
DA(B),
TxCE-
-
Not used
J2
Signal
-
-
J2-1
Shield GND
J2-2
BA(A), TxD+
J2-14
BA(B), TxD-
J2-3
BB(A), RxD+
J2-16
BB(B), RxD-
73
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