Asus SP98-XV User Manual download pdf (Page 104)

ASUS SP98-N User’s Manual104

7. APPENDIX

7.2.3 LED Connectors

Link Indicator: This connects to an LED to monitor 10Base-T and 100Base-TX con-

nections. The LED lights to indicate a successful network connection, and remains steady

if the connection is stable. If this indicator is off, the cable connection between the hub

and the computer may be faulty or the driver configuration may be faulty.

Activity Indicator: This connects to an LED to monitor network activity. The LED

lights when there are network packets sent or received through the RJ45 port. The rate

of flashing is proportional to the amount of network traffic. If this is off, the computer

is not sending or receiving network data.

Speed Indicator: This connects to an LED to monitor connection speed. The LED

lights (On) when connection is made to a 100Base-TX host. If Off, the network

connection is operating at 10Mbps.

7.2.4 Network Cable Connection

Twisted Pair Ethernet (TPE) - Connect a single network cable to the RJ45 connector.

For 100BASE-TX, your network cable must be category 5 (not category 3), twisted-

pair wiring with RJ45 connectors. If you plan on running the interface at 100 Mbps, it

must be connected to a 100BASE-TX hub (not a 100BASE-T4 hub). For 10BASE-T,

use category 3, 4, or 5 twisted-pair wiring.

7.2.5 Twisted-Pair Cable

The cable used to connect the Ethernet card to a host (generally a Hub) is called a

straight-through twisted-pair. The end connectors are called RJ45 connectors, which

are not compatible with the standard RJ11 telephone connectors. The illustration shows

a connection between a typical Hub and this motherboard’s network interface.

1Uplink 2 3 4 5 6 7 8

12345678 12345678 1234567812345678123456781234567812345678 12345678 12345678

RJ45

HUB

Motherboard

Straight-Through Cable

Hub Card

1 IRD+ 1 OTD+

2 IRD- 2 OTD-

3 OTD+ 3 IRD+

6 OTD- 6 IRD-

18234567

HUB RJ45 Connector

7.2.6 RJ45 Connector

Pin 1 Output Transmit Data +

Pin 2 Output Transmit Data -

Pin 3 Input Receive Data +

Pin 6 Input Receive Data -

Pins 4,5,7,8 (Reserved)

7. APPENDIX

Network Interface

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