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The PWR-Line series devices allow Ethernet-like connectivity between supported devices over regular power lines. When plugged into the same electrical circuit, the PWR-Line devices will establish connectivity by using the HomePlug AV standard.
Properties
| arp (disabled | enabled | proxy-arp | reply-only; Default: enabled) | Address Resolution Protocol mode:
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| bandwidth (integer/integer; Default: unlimited/unlimited) | Sets max rx/tx bandwidth in kbps that will be handled by an interface. TX limit is supported on all Atheros switch-chip ports. RX limit is supported only on Atheros8327/QCA8337 switch-chip ports. |
| comment (string; Default: ) | Descriptive name of an item |
| l2mtu (integer [0..65536]; Default: ) | Layer2 Maximum transmission unit. MTU in RouterOS |
| mac-address (MAC; Default: ) | Media Access Control number of an interface. |
| mtu (integer [0..65536]; Default: 1500) | Layer3 Maximum transmission unit |
| name (string; Default: ) | Name of an interface |
| orig-mac-address (MAC; Default: ) | |
| rx-flow-control (on | off | auto; Default: off) | When set to on, the port will process received pause frames and suspend transmission if required. auto is the same as on except when auto-negotiation=yes flow control status is resolved by taking into account what the other end advertises. |
| The feature is supported on AR724x, AR9xxx, and QCA9xxx CPU ports, all CCR ports, and all Atheros switch chip ports. | |
| tx-flow-control (on | off | auto; Default: off) | When set to on, the port will send pause frames when specific buffer usage thresholds |
| are met. auto is the same as on except when auto-negotiation=yes flow control status is resolved by taking into account what the other end advertises. |
| The feature is supported on AR724x, AR9xxx, and QCA9xxx CPU ports, all CCR ports, and all Atheros switch chip ports. |
Menu specific commands
| Property | Description |
|---|---|
| configure () |
| The command configures the attached PWR-Line device's network-key, network-password, plc-cco-selection-mode. | |
| join () | Initiates the pairing sequence which will look for other PWR-Line devices in the same electrical circuit that |
| is also in the pairing mode. This mode lasts for 60 seconds. | |
| leave () | Initiates the leaving sequence which essentially randomizes the |
| device's network-key. | |
| monitor () | Outputs PWR-Line-related statuses in real-time. |
| upgrade-firmware () | Upgrades the PWR-Line device with specified firmware-file and pib-file files. |
Configuration example
For two or more devices to be able to connect with each other, they must share the same network-key value. Currently The currently configured network-key can be seen using the monitor command as plc-actual-network-key.
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There are two ways to set the same network-key on different devices. You can either use the network-key parameter which is a hashed version of network-password parameter. Or use the network-password parameter and let the router apply the hash on a human-readable string.
For example:
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Then we can issue the join command. When doing so, the pairing sequence is enabled for 60 seconds, meaning you have to enable pairing mode on another device within 60 seconds for them to successfully pair.
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It is also possible to set a specified role for the PWR-Line device (master or slave) with the plc-cco-selection-mode parameter.
| Property | Description |
|---|---|
| plc-cco-selection-mode (auto | always | never; Default: auto) | Sets PWR-Line device mode:
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Example:
| Code Block | ||
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/interface pwr-line configure pwr-line1 plc-cco-selection-mode=auto |
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- Hold 0.5 – 3 seconds to turn on sync mode. For 120 seconds will try to communicate with another PWR-LINE device. A blinking orange LED light indicates that it is in search mode. You have to also do the same on the other PWR-LINE device, so they can synchronize. Press the button again to cancel the search. You can also manually set the security keys in RouterOS settings.
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The device is fully compatible with our PWR-LINE AP and the newest revisions of products that have a microUSB MicroUSB port, such as - hAP lite, hAP lite tower, hAP mini, mAP, and mAP lite have a pwr-line interface. A simple software upgrade to v6.44+ enables this feature (supported by the mentioned devices with serial numbers that ends end with /9xx). PWR-LINE functionality is also supported by some of previously manufactured units - if you have a unit with a serial number that ends with /8xx, upgrade to 6.44+ and see if the pwr-line interface shows up).