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4-Port Serial Interface SPA Cables, Connectors, and Pinouts
J1
Signal
J1-3
O_TxCE/TxC+
J1-16
O_TxCE/TxC-
J1-2
IO_TxC/RxC+
J1-15
IO_TxC/RxC-
J1-13
I_NIL/LL
J1-26
Circuit GND
J1-12
I_DSR/DTR+
J1-25
I_DSR/DTR-
J1-4
I_RxC/TxCE+
J1-17
I_RxC/TxCE-
-
-
The following table lists the EIA/TIA-530A DTE cable pinouts. Arrows indicate signal direction.
Note
Any pin not referenced is not connected.
Table 46: EIA/TIA-530A DTE Cable Pinouts (DB-25 Male Connector)
J1
Signal
J1-21
MODE_2
J1-22
MODE_1
J1-24
MODE_DCE
-
-
J1-1
O_TxD/RxD+
J1-14
O_TxD/RxD-
J1-5
I_RxD/TxD+
J1-18
I_RxD/TxD-
J1-8
O_RTS/CTS+
J1-9
O_RTS/CTS-
J1-11
I_CTS/RTS+
J1-10
I_CTS/RTS-
Cisco ASR 9000 Series Aggregation Services Router SIP and SPA Hardware Installation Guide
72
Description
Direction
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
<——
<——
Twisted pair no. 1
——>
——>
Twisted pair no. 4
<——
<——
Overview: Cisco ASR 9000 Series Router Shared Port Adapters
J2
Signal
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-
J2-4
CA(A), RTS+
J2-19
CA(B), RTS-
J2-5
CB(A), CTS+
J2-13
CB(B), CTS-
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