PMC/XMC Carrier Board Manual
2-18
Themis Computer
2.2.5
Gigabit Ethernet Port B
The 2P2 PMC/XMC Carrier Board features a Gigabit Ethernet connection on its front
panel. The Ethernet port is an RJ45 (10-pin; 8-pin external) GBE connector with two
embedded LEDs (see
Figure 2-10
and
Table 2-8
) supporting 10/100/1000 Base-T
transmission. This connector has an embedded transformer for signal conversion. In
units where only the Baseboard is present, a single network connection (Ethernet A) is
available through the RJ45 connector. With the addition of a 2P2 PMC/XMC Carrier
Board, a second Gigabit network connection (Ethernet B) is available through the Carrier
Board front panel. Both Ethernet A and B can be active simultaneously.
Use the following connector to attach to the 2P2 PMC/XMC Ethernet port:
•
Connector Type:
RJ45 GBE Connector with Transformer, 8 Pin, 2 LEDs
•
Manufacturer; Part Number:
AMP/Tyco; 6605814-5
Figure 2-10.
Gigabit Ethernet B Connector Pinout
Symbol
1
8
Baseboard
Link Speed LED
Network Traffic LED
Pin 3
10
Pin 1 = Ground
Pin 2 = Vcc
J2
Table 2-8.
Gigabit Ethernet Connector-Pin Signals and LED Interpretation
Pin
Signal
Description
LED
Flash Rate
a
Interpretation
1
GND
Chassis ground
Yellow
(
Top
)
= Link
Speed
ON-ON-ON-ON-OFF-ON-
OFF
10 Mb/s
2
Vcc
Voltage supply
3
MX3+
Transmit/Receive MX3+
ON-ON-ON-ON-OFF-ON-
OFF-ON-OFF
100 Mb/s
4
MX3–
Transmit/Receive MX3–
ON-ON-ON-ON-OFF-ON-
OFF-ON-OFF-ON-OFF
1000 Mb/s
5
MX2+
Transmit/Receive MX2+
Green
(
Bottom
)
= Network
Traffic
Flashing rate is 300 ms for each transmission/re-
ceive activity.
6
MX2–
Transmit/Receive MX2–
7
MX1+
Transmit/Receive MX1+
8
MX1–
Transmit/Receive MX1–
9
MX0+
Transmit/Receive MX0+
a. “ON” means the LED is on for 300 ms.
“OFF” means the LED is off for 300 ms.
10
MX0–
Transmit/Receive MX0–
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