![background image](http://html.mh-extra.com/html/nec/express5800-140hb/express5800-140hb_service-manual_251224240.webp)
E-6
Connectors
RJ-45 LAN
Table E-6 lists the connector pinouts for the RJ-45 LAN.
Table E-6. RJ-45 LAN Connector Pinouts
Pin
Signal
Description
1
TX+
Transmit data plus—the positive signal for the TD differential pair contains
the serial output data stream transmitted onto the network
2
TX-
Transmit data minus—the negative signal for the TD differential pair
contains the same output as pin 1
3
RX+
Receive data plus—the positive signal for the RD differential pair contains
the serial input data stream received from the network
4
NC
5
NC
6
RX-
Receive data minus—the negative signal for the RD differential pair contains
the same input as pin 3
7
NC
8
NC
Parallel Port
Table E-7 lists the connector pinouts for the parallel port.
Table E-7. Parallel Port Connector Pinouts
Pin
Signal
Pin
Signal
1
STROBE_L
10
ACK_L
2
Data bit 0
11
Busy
3
Data bit 1
12
PE
4
Data bit 2
13
SLCT
5
Data bit 3
14
AUFDXT_L
6
Data bit 4
15
ERROR_L
7
Data bit 5
16
INIT_L
8
Data bit 6
17
SLCTIN_L
9
Data bit 7
18
−
25
GND
Содержание Express5800/140Hb
Страница 1: ... S e r v i c e G u i d e EXPRESS5800 140Hb ...
Страница 2: ......
Страница 3: ... S e r v i c e G u i d e EXPRESS5800 140Hb ...
Страница 10: ...viii Contents ...
Страница 18: ...xvi Using This Guide ...
Страница 48: ...1 30 System Overview ...
Страница 64: ...2 16 Setting Up the System Figure 2 10 Connecting the AC Power Cord to the Server ...
Страница 98: ...3 28 Configuring Your System ...
Страница 101: ......
Страница 176: ...4 76 Disassembly and Reassembly ...
Страница 200: ...5 24 Problem Solving ...
Страница 201: ...6 Illustrated Parts Breakdown Exploded View Field Replaceable Units ...
Страница 211: ...A Technical Specifications Server Unit ...
Страница 214: ...A 4 Technical Specifications ...
Страница 220: ...B 6 Interrupt Request PCI IRQ Device I O Port Address Assignments ...
Страница 231: ...D ROMPilot BIOS Error Codes ROMPilot BIOS Error Codes ...
Страница 234: ...D 4 ROMPilot BIOS Error Codes ...
Страница 235: ...E Connectors Overview External Device Connector Pin Information ...
Страница 250: ...10 Glossary ...
Страница 256: ...Index 4 ...
Страница 257: ...xx ...
Страница 258: ... 456 01547 000 ...