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| E6581741 |
Instance 2 Attribute |
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Instance | Attribute ID | Access | Name | Data type | Details |
| 1 | Get | Interface Speed | UDINT | Interface speed currently in use |
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| 0: indeterminate (Auto baudrate) |
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| 10: 10Mbps |
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| 100: 100Mbps |
| 2 | Get | Interface Flags | DWORD | Bit 0: Link Status Indicates whether or not the |
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| Ethernet 802.3 communications |
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| interface is connected to an active |
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| network. 0 indicates an inactive link; 1 |
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| indicates an active link. |
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| Bit 1: Half/Full Duplex Indicates the duplex |
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| mode currently in use. 0 indicates the |
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| interface is running half duplex; 1 |
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| indicates full duplex. |
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| Bit |
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| 000 : |
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| 001 : |
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| failed. |
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| 010 : Auto negotiation failed but detected |
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| speed. Duplex was defaulted. |
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| 011 : Successfully negotiated speed and |
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| duplex. |
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| 100 : |
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| speed and duplex. |
2 |
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| Bit 5: Manual Setting Requires Reset. 0 |
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| indicates the interface can activate | |
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| changes to link parameters |
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| speed) automatically. 1 indicates the |
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| device requires a Reset service be |
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| issued to its Identity Object in order for |
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| the changes to take effect. |
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| Bit 6: Local Hardware Fault. |
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| 0 indicates the interface detects no local |
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| hardware fault |
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| 1 indicates a local hardware fault is |
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| detected. The meaning of this is |
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| Bit |
| 3 | Get | Physical Address | ARRAY of | MAC layer address |
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| 6 USINTs |
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| 6 | Get/Set | Interface Control | STRUCT | Configuration for physical interface |
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| of | |
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| Control Bits | WORD | Interface Control Bits |
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| Forced Interface | UINT | Speed at which the interface shall be forced to |
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| Speed |
| operate |
| 7 | Get | Interface Type | USINT | Type of interface: twisted pair, fiber, internal, |
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| etc. |
| 10 | Get | Interface Label | SHORT_S | Human readable identification |
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| TRING | 5, Right |
Note: Don’t use the “System reserved” bit and Bit0 for the judgement.
Instance Services |
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Service Code | Service Name | Description of Service |
0x01 | Get_Attribute_All | Read all attributes |
0x0E | Get_Attribute_Single | Read one attribute |
0x10 | Set_Attribute_Single | Write one attribute |
0x4C | Get_and_Clear | Gets then clears the specified attribute |
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| (Interface Counters or Media Counters). |
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