Black Box 8-port 10/100base-tx hardened ethernet extender switch, LB308A Ports on the switch

Chapter 2: Overview

Table 2-3. Ports on the switch.

Number	Number of Ports	Description	Mode Selection
			10BASE-T full-duplex mode
			10BASE-T half-duplex mode
12	(8) RJ-45	10/100BASE-TX ports	100BASE-TX full-duplex mode
			100BASE-TX half-duplex mode
			Auto-negotiating mode
13	(2) RJ-11 and terminal blocks	Ethernet Extender ports	Asymmetrical or symmetrical

10/100BASE-T and Ethernet Extender Connectors

Figure 2-2 illustrates the 10/100BASE-T RJ-45 connector. Table 2-4 describes the connector pinouts.

Figure 2-2. 10/100BASE-TX RJ-45 connector.

Table 2-4. RJ-45 connector pinouts.

Pin	Regular Ports Signal	Uplink Ports Signal
1	Output Transmit Data +	Input Receive Data +
2	Output Transmit Data -	Input Receive Data -
3	Input Receive Data +	Output Transmit Data +
4	Not connected	Not connected
5	Not connected	Not connected
6	Input Receive Data -	Output Transmit Data -
7	Not connected	Not connected
8	Not connected	Not connected

Figure 2-3 illustrates the Ethernet Extender RJ-11 and terminal block connectors. Table 2-5 describes the pinouts.

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