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Cables
B-2
B
Straight-Through Wiring
If the twisted-pair cable is to join two ports and only one of the ports has an internal
crossover (MDI-X), the two pairs of wires must be straight-through. (When
auto-negotiation is enabled for any RJ-45 port on this switch, you can use either
straight-through or crossover cable to connect to any device type.)
You must connect all four wire pairs as shown in the following diagram to support
Gigabit Ethernet.
Figure B-2 Straight-through Wiring
Table B-1 10/100BASE-TX MDI and MDI-X Port Pinouts
Pin
MDI Signal Name
MDI-X Signal Name
1
Transmit Data plus (TD+)
Receive Data plus (RD+)
2
Transmit Data minus (TD-)
Receive Data minus (RD-)
3
Receive Data plus (RD+)
Transmit Data plus (TD+)
6
Receive Data minus (RD-)
Transmit Data minus (TD-)
4,5,7,8
Not used
Not used
Note: The “+” and “-” signs represent the polarity of the wires that make
up each wire pair.
White/Orange Stripe
Orange
White/Green Stripe
Green
1
2
3
4
5
6
7
8
1
2
3
4
5
6
7
8
EIA/TIA 568B RJ-45 Wiring Standard
10/100BASE-TX Straight-through Cable
E
nd
A
E
nd B
Blue
White/Blue Stripe
Brown
White/Brown Stripe
Summary of Contents for SMC TigerSwitch 10/100 SMC6110L2
Page 2: ......
Page 12: ...viii...
Page 14: ...x...
Page 24: ...Introduction 1 6 1...
Page 36: ...Installing the Switch 3 8 3...
Page 44: ...Making Network Connections 4 8 4...
Page 54: ...Specifications C 4 C...
Page 56: ...Ordering Information D 2 D...
Page 63: ...Index Index 3 V VLANS tagging 2 5 W web based management 1 2...
Page 64: ...Index Index 4...
Page 65: ......