IBM 866441Y - Netfinity 5600 - 8664, Руководство по техническому обслуживанию аппаратной части

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Table 8 on page 152 shows the pin-number assignments
for the RJ-45 connector. These assignments apply to both
10BASE-T and 100BASE-TX devices.
10BASE-T or 100 BASE-TX
UTP cable
RJ-45 modular plug connector
1
2
3
Pins 6
Universal serial bus ports:
The system board in the
Netfinity 5600 server contains two universal serial bus
(USB) ports. Each USB port has an external connector on
the rear of the server for attaching devices that previously
used serial, parallel, keyboard, mouse, and game ports.
USB is an emerging serial interface standard for telephony
and multimedia devices. USB technology uses Plug and
Play technology to determine what device is attached to
the connector. Each USB device is accessed by a unique
USB address. A device called a hub is used to convert the
USB port into multiple attachment points. A hub has
multiple ports where peripherals can be attached. USB
provides 12 megabits-per-second (Mbps) bandwidth with a
maximum of 63 peripherals and a maximum signal
distance of five meters (16 ft.) per segment.
Note
If more than one USB device is to be attached, then
the device must be connected to a hub.
Table 9 shows the pin-number assignments for the USB
connectors.
Table 8. Ethernet port pin-number assignments
Pin Signal Pin Signal
1 Transmit data
+
5 Reserved
2 Transmit data
−
6 Receive data
−
3 Receive data
+
7 Reserved
4 Reserved 8 Reserved
Table 9. USB port pin-number assignments
Pin Signal
1 VCC
2
−
Data
3
+
Data
4 Ground
152
Netfinity Server HMM