Twisted-Pair Cable Assignments; Straight-Through Wiring; Crossover Wiring - SMC Networks EliteConnect SMC2555W-AG User Manual

Straight-Through Wiring

Because the 10/100 Mbps port on the access point uses an MDI
pin configuration, you must use "straight-through" cable for
network connections to hubs or switches that only have MDI-X
ports. However, if the device to which you are connecting
supports auto-MDIX operation, you can use either
"straight-through" or "crossover" cable.
End A

Crossover Wiring

Because the 10/100 Mbps port on the access point uses an MDI
pin configuration, you must use "crossover" cable for network
connections to PCs, servers or other end nodes that only have
MDI ports. However, if the device to which you are connecting
supports auto-MDIX operation, you can use either
"straight-through" or "crossover" cable.
End A
EIA/TIA 568B RJ-45 Wiring Standard
10/100BASE-TX Straight-through Cable
White/Orange Stripe
White/Green Stripe
1
2
3
4
5
6
7
8
White/Brown Stripe
EIA/TIA 568B RJ-45 Wiring Standard
10/100BASE-TX Crossover Cable
White/Orange Stripe
White/Green Stripe
1
2
3
4 White/Blue Stripe
5
6
7
8
White/Brown Stripe

Twisted-Pair Cable Assignments

Orange
Blue
White/Blue Stripe
Green
Brown Stripe
Orange
Blue
Green
Brown Stripe
1
2
End B
3
4
5
6
7
8
1
2
End B
3
4
5
6
7
8
B-3