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Appendix A Netra 1290 Server Connections 59
Twisted-Pair Ethernet Cable-Type Connectivity
The following types of TPE cables can be connected to the 8-pin TPE connector:
■ For 10BASE-T applications, shielded twisted-pair (STP) cable:
■ Category 3 (STP-3, voice grade)
■ Category 4 (STP-4)
■ Category 5 (STP-5, data grade)
■ For 100BASE-T applications, shielded twisted-pair category 5 (STP-5, data grade)
cable.
LOM Serial A and Serial B Ports
The LOM Serial A and serial B ports use RJ-45 connectors (FIGURE A-6). The LOM
Serial A port is also known as the system controller serial port.
TABLE A-7 lists the
pinout information identical for both serial ports.
TABLE A-5 Twisted-pair Ethernet Connector Pinout
Pin Description Pin Description
1 TXD+ 5 Common mode termination
2 TXD– 6 RXD–
3 RXD+ 7 Common mode termination
4 Common mode termination 8 Common mode termination
TABLE A-6 TPE STP-5 Cable Lengths
Cable Type Application Maximum Length
Shielded twisted pair category 5 (STP-5, data grade) 10BASE-T 1000 m (3282 ft)
Shielded twisted pair category 5 (STP-5, data grade) 100BASE-T 100 m (327 ft)