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4.2.2 Ethernet Port
Figure 8 shows the pinout for the RJ-45 Ethernet port (J3). Note that some Ethernet con-
nectors are numbered in reverse to the order used here.
Three LEDs are placed next to the RJ-45 Ethernet jack, one to indicate Ethernet link/activity
(
), one to indicate when the RCM4200 is connected to a functioning 100Base-T
LINK/ACT
network (
), and one (
SPEED
duplex mode (steady on) or that a half-duplex connection is experiencing collisions
(blinks).
The RJ-45 connector is shielded to minimize EMI effects to/from the Ethernet signals.
User's Manual
ETHERNET
RJ-45 Plug
Figure 8. RJ-45 Ethernet Port Pinout
) to indicate that the current connection is in full-
FDX/COL
1
8
1. E_Tx+
2. E_Tx–
3. E_Rx+
6. E_Rx–
RJ-45 Jack
37
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