Cisco IPS-4255-K9 Installation Guide - Page 52
/100BaseT and 10/100/1000BaseT Connectors
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Cable Pinouts Chapter 1 Introducing the Sensor 10/100BaseT and 10/100/1000BaseT Connectors Sensors support 10/100/1000BaseT ports. You must use at least a Category 5 cable for 100/1000Base-TX operations. You can use a Category 3 cable for 10Base-TX operations. Note Some sensors support 10/100BaseT (IDS-4210, IDS-4215, and the optional 4FE card) while others support 10/100/1000BaseT (IDS-4235, IDS-4250-TX, IPS 4240, and IPS 4255). This only applies to the copper appliances. The fiber appliances support 1000Base-SX only. The 10/100/1000BaseT ports use standard RJ-45 connectors and support MDI and MDI-X connectors. Ethernet ports normally use MDI connectors and Ethernet ports on a hub normally use MDI-X connectors. An Ethernet straight-through cable is used to connect an MDI to an MDI-X port. A cross-over cable is used to connect an MDI to an MDI port, or an MDI-X to an MDI-X port. Figure 1-11 shows the 10/100BaseT (RJ-45) port pinouts. Figure 1-11 Pin 1 2 3 4 5 6 7 8 10/100 Port Pinouts Label TD+ TDRD+ NC NC RDNC NC 12345678 148407 Figure 1-12 shows the 10/100/1000BaseT (RJ-45) port pinouts. Figure 1-12 Pin 1 2 3 4 5 6 7 8 10/100/1000 Port Pinouts Label TP0+ TP0TP1+ TP2+ TP2TP1TP3+ TP3- 12345678 148410 1-34 Cisco Intrusion Prevention System Appliance and Module Installation Guide for IPS 7.0 OL-18504-01