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Table 33 RJ-45 MDI interface pinouts
Pin
10Base-T/100Base-TX
1000Base-T
Si
g
nal Function
Si
g
nal
Function
1 Tx+ Send data BIDA+ Bi-directional data cable A+
2 Tx- Send data BIDA- Bi-directional data cable A-
3 Rx+ Receive data BIDB+ Bi-directional data cable B+
4 Reserved N/A BIDC+ Bi-directional data cable C+
5 Reserved N/A BIDC- Bi-directional data cable C-
6 Rx- Receive data BIDB- Bi-directional data cable B-
7 Reserved N/A BIDD+ Bi-directional data cable D+
8 Reserved N/A BIDD- Bi-directional data cable D-
Table 34 RJ-45 MDI-X interface pinouts
Pin
10Base-T/100Base-TX
1000Base-T
Si
g
nal Function
Si
g
nal
Function
1 Rx+ Receive data BIDB+ Bi-directional data cable B+
2 Rx- Receive data BIDB- Bi-directional data cable B-
3 Tx+ Send data BIDA+ Bi-directional data cable A+
4 Reserved N/A BIDD+ Bi-directional data cable D+
5 Reserved N/A BIDD- Bi-directional data cable D-
6 Tx- Send data BIDA- Bi-directional data cable A-
7 Reserved N/A BIDC+ Bi-directional data cable C+
8 Reserved N/A BIDC- Bi-directional data cable C-
To ensure normal communication, the pins for sending data on one port should correspond to the pins for
receiving data on the peer port. When both of the ports on the two devices are MDI or MDIX, a crossover
Ethernet cable is needed. A crossover cable connects devices of the same type. When one port is MDI
and the other is MDIX, a straight-through Ethernet cable is needed. A straight-through cable connects
devices of different types.
An RJ-45 Ethernet interface with MDI/MDIX autosensing enabled can automatically negotiate pin roles.
The F5000-A5 RJ-45 Ethernet interfaces support MDI/MDIX. By default, MDI/MDIX is enabled on a
port.
Making an Ethernet twisted pair cable
1. Cut the cable to length with the crimping pliers.
2. Strip off an appropriate length of the cable sheath. The length is typically that of the RJ-45
connector.
- H3C SecPath F5000-A5 Firewall 1
- Preface 3
- GUI conventions 4
- Symbols 4
- Network topology icons 4
- Port numbering in examples 4
- Obtaining documentation 5
- Technical support 5
- Documentation feedback 6
- Contents 7
- Preparing for installation 11
- Laser safety 12
- Handling safety 12
- Weight support 12
- Temperature and humidity 13
- Cleanness 13
- Cooling 14
- ESD prevention 14
- Lightning protection 16
- Rack installation 16
- Accessories 17
- Installing the firewall 20
- Mounting bracket 22
- Grounding the firewall 25
- Attaching the ring terminal 26
- Installing an MPU 27
- Installing a CF card 29
- Installing a fan tray 31
- Installing a power module 33
- Connecting interface cables 34
- Connecting Ethernet cables 35
- Connecting a power cord 36
- Connecting a DC power cord 37
- Verifying the installation 39
- Installing FRUs 40
- Required tools 42
- Installation procedure 42
- Installation precautions 43
- (3) Console cable 46
- Powering on the firewall 50
- Configuring services 55
- Configuring NAT 58
- Replacement procedures 61
- Removing a filler panel 62
- Installing a filler panel 63
- Replacing an MPU 64
- Replacing a CF card 67
- Replacing a power module 69
- Replacing a fan tray 70
- NOTE: 72
- Managing combo interfaces 77
- Rebooting your firewall 79
- Task Command 80
- Troubleshooting 81
- Service module failures 82
- Power supply system failures 83
- Fan failures 84
- Console port failure 85
- Password loss 86
- Cooling system failures 86
- Software upgrade failures 87
- Solution 88
- Symptom 88
- Chassis views 90
- Main processing unit 91
- Interface modules 92
- Power modules 93
- Fan tray 94
- Technical specifications 95
- NSQ1XP20 98
- Appendix B LEDs 101
- Interface module LEDs 103
- NSQ1GT8P40 104
- Power module LEDs 105
- Fan tray LEDs 106
- Arranging slots 107
- Numbering interfaces 107
- Examples 108
- Appendix D Cables 109
- Optical fiber 113
- Precautions 114
- General cabling requirements 115
- Cabling examples 118
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