Appendix C
Signal Descriptions
C-11
C.6
Media-Independent Interface Connector
The media-independent interface (MII) connector is located on the system board
back panel.
FIGURE C-6
illustrates the MII connector configuration and
TABLE B-9
lists
the connector pin assignments.
FIGURE C-6
MII Connector Pin Configuration
TABLE C-5
MII Connector Pin Assignments
Pin
Signal Name
Description
1
Pwr
Power
2
Mdio
Management data I/O
3
Mdc
Management data clock
4
Rxd3
Receive data 3
5
Rxd2
Receive data 2
6
Rxd1
Receive data 1
7
Rxd0
Receive data 0
8
Rx dv
Receive data valid
9
Rx clk
Receive clock
10
Rx er
Receive error
11
Tx er
Transmit error
20
40
1
21
Содержание Netra t 1120
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Страница 62: ...6 4 Netra t 1120 1125 Service Manual August 1998 FIGURE 6 2 System Power Off Front Panel 1125...
Страница 65: ...Chapter 7 Internal Access 7 3 FIGURE 7 2 Attaching the Wrist Strap to the Rear of the Chassis...
Страница 67: ...Chapter 7 Internal Access 7 5 FIGURE 7 3 Removing the Top Access Cover 1125 Screws Tab...
Страница 69: ...Chapter 7 Internal Access 7 7 4 Replace the two fixing screws FIGURE 7 4 Replacing the Top Access Cover 1125...
Страница 70: ...7 8 Netra t 1120 1125 Service Manual August 1998...
Страница 80: ...8 10 Netra t 1120 1125 Service Manual August 1998 FIGURE 8 6 Removing and Replacing the LED Card 1125 LED card...
Страница 82: ...8 12 Netra t 1120 1125 Service Manual August 1998...
Страница 85: ...Chapter 9 Storage Devices 9 3 FIGURE 9 1 Removing and Replacing a Hard Disk Drive...
Страница 92: ...9 10 Netra t 1120 1125 Service Manual August 1998...
Страница 100: ...10 8 Netra t 1120 1125 Service Manual August 1998 FIGURE 10 4 Removing and Replacing the System Fan Assembly System fan...
Страница 106: ...10 14 Netra t 1120 1125 Service Manual August 1998 FIGURE 10 6 Removing and Replacing a PCI Card 1125 PCI card...
Страница 114: ...10 22 Netra t 1120 1125 Service Manual August 1998 FIGURE 10 9 Removing and Replacing the Alarms Card 1125 Alarms card...
Страница 122: ...10 30 Netra t 1120 1125 Service Manual August 1998...
Страница 124: ...A 2 Netra t 1120 1125 Service Manual August 1998 FIGURE A 1 System Exploded View 1 2 3 4 5 6 8 9 10 11 7 12 13 14...
Страница 130: ...B 4 Netra t 1120 1125 Service Manual August 1998...
Страница 148: ...Index 4 Service Manual August 1998...