Cisco 4500M Guía de instalación Pagina 225

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Cabling Specifications A-85
Token Ring Port Pinouts
Token Ring Port Pinouts
Table A-33 shows the original single-port Token Ring network processor module (Cisco
product number NP-1R) port pinouts.
Table A-33 Token Ring Port Pinouts (DB-9 Connector)
Table A-34 shows the dual-port and newer single-port (Cisco product numbers NP-2R and
NP-1RV2) Token Ring network processor module port pinouts:
1. NC = not connected.
9-Pi
n Signal Name
1 RX–
2
NC
1
3 NC
4 NC
5 TX–
6 RX+
7NC
8NC
9 TX+
Table A-34 Dual-Port Token Ring Pinouts (DB-9 Connector)
9-Pi
n Signal Name
1 RX–
2 Ground
3 +5 Volt, fused
4 Ground
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