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This table can help you choose which PSE device is best suitable for your needs.
Device name | PoE-Out port count | Passive PoE | 802.3af/at | 802.3bt | Power input | Maximum output per port | Maximum power output, W | |
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Input 18-30V, mA | Input 30-57V, mA | |||||||
CSS610-8P-2S+IN | 8 | + | + | - | AC &DC 48-57 V | 1000 | 625 | 140 |
CRS328-24P-4S+RM | 24 | + | + | - | AC | 1000 | 450 | 450 |
CRS354-48P-4S+2Q+RM | 48 | + | + | - | AC | 1000 | 570 | 700 |
CRS112-8P-4S-IN | 8 | + | + | - | DC 18-30V & DC 30-57V | 1000 | 450 | 80 |
netPower 16P | 16 | + | + | - | DC 18-30V & DC 30-57V | 1100 | 600 | 160 |
RB5009UPr+S+IN | 8 | + | + | - | DC 18-30V or DC 30-57V | 640 | 420 | 130 |
hEX PoE | 4 | + | + | - | DC 18-30V or DC 30-57V | 1000 | 450 | 102 |
PowerBox Pro | 4 | + | + | - | DC 18-30V or DC 30-57V | 1000 | 450 | 102 |
OmniTIK 5 PoE ac | 4 | + | + | - | DC 18-30V or DC 30-57V | 1000 | 450 | 102 |
hEX PoE lite | 4 | + | - | - | DC 18-30V | 1000 | - | 60 |
PowerBox | 4 | + | - | - | DC 18-30V | 1000 | 60 | |
RB260GSP | 4 | + | - | - | DC 18-30V | 1000 | 60 | |
OmniTIK 5 PoE | 4 | + | - | - | DC 18-30V | 1000 | 60 |
PoE-Out Configuration
PoE Configuration is supported on all MikroTik devices with PoE-Out interfaces, the configurations can be edited from the RouterOS and SwOS interfaces.
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Property | Description |
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print () | Prints PoE-Out related settings. |
export () | export is displayed under /interface ethernet menu. |
monitor (string| interface) | Shows poe-out-status of a specified port, or all ports with /interface ethernet poe monitor [find] command. |
power-cycle (duration:0..1m |; Default: 5s) | Disables PoE-Out power for a specified period of time. |
Global Settings
Some MikroTik PoE-Out devices support the global PoE setting which can be configured under /interface ethernet poe settings
menu. Global setting ether1-poe-in-long-cable feature disables strict input/output current monitoring (short detection) to allow the use of PoE-Out with long ethernet cables and/or avoiding improper short-circuit detection.
Property | Description |
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ether1-poe-in-long-cable (yes | no) | Setting it to "yes" will disable short detection on all poe-out ports. This is potentially dangerous settings and should be used with caution |
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Global setting
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ether1-poe-in-long-cable feature disables strict input/output current monitoring (short detection) to allow the use of PoE-Out with long ethernet cables and/or avoiding improper short-circuit detection.
Info |
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Note: Global setting of ether1-poe-in-long-cable can also affect PoE-Out can also affect PoE-Out behavior on PSE which is powered using a DC connector |
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PoE-Out can be configured under the menu. Each port can be controlled independently.
Property | Description |
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- auto-on - the board will attempt to detect if power can be applied to the port. For powering there should be resistance in the range from 3kΩ to 26.5kΩ
- forced-on - detection range is removed. As a result power over Ethernet will be always on
- off - all detection and power is turned off for this port
Highest priority is 0, the lowest priority is 99. If there are 2 or more ports with the same priority then port with the smallest port number will have a higher priority. For example, if ether2 and ether3 have the same priority and over-current is detected then PoE-Out on ether3 will be turned off.
Every 6 seconds ports will be checked for a possibility to provide PoE-Out if it was turned off due to port priority.Info |
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Note: If poe-voltage=auto and poe-out is set to "forced-on", LOW voltage will be used by default. If the PD supports only high voltage, make sure you also set poe-voltage=high when forcing the PoE output. |
Power-cycle settings
RouterOS provides a possibility to monitor PD using a ping, and power-cycle a PoE-Out port when the host does not respond. power-cycle-ping feature can be enabled under /interface ethernet poe
menu.
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psuX-max-power | Specifies the maximum power in watts that the PSU can draw. default - 96W psu1 - DC-jack psu2 - 2-PIN terminal |
This command is designed specifically for RB5009UPr+S+IN to ensure the safety and optimal performance of the Power Supply Unit (PSU). It allows users to set the maximum power limit for the PSU, preventing potential overload that could compromise the stability and longevity of the system.
Port Settings
PoE-Out can be configured under the menu. Each port can be controlled independently.
Property | Description |
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name () | Name of an interface |
poe-out (auto-on | forced-on | off; Default: auto-on) | Specifies PoE-Out state
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poe-priority (integer:0..99 | any; Default: 10) | poe-priority specifies the importance of PoE-Out ports, in cases when a total PoE-Out limit is reached, interface with the lowest port priority will be powered off first. Highest priority is 0, the lowest priority is 99. If there are 2 or more ports with the same priority then port with the smallest port number will have a higher priority. For example, if ether2 and ether3 have the same priority and over-current is detected then PoE-Out on ether3 will be turned off. Every 6 seconds ports will be checked for a possibility to provide PoE-Out if it was turned off due to port priority. |
poe-voltage (auto | low | high; Default: auto) | A feature that allows us to manually switch between two voltage outputs on PoE-Out ports. It will take effect only on PSE with switchable voltage modes (CRS112-8P-4S-IN, CRS328-24P-4S+RM, netPower 16P, CRS354-48P-4S+2Q+RM). |
poe-lldp-enabled ( yes / no; Default: no) | Link Layer Discovery Protocol (LLDP) is a layer-2 Ethernet protocol for managing devices. LLDP allows an exchange of information between a PSE and a PD. Starting from RouterOS version 7.15, the setting has been replaced with the Neighbor Discovery |
Info |
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Note: Enabling poe-lldp in RouterOS 7.8 can potentially solve issues encountered in VoIP setups. |
Info |
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Note: If poe-voltage=auto and poe-out is set to "forced-on", LOW voltage will be used by default. If the PD supports only high voltage, make sure you also set poe-voltage=high when forcing the PoE output. |
Power-cycle settings
RouterOS provides a possibility to monitor PD using a ping, and power-cycle a PoE-Out port when the host does not respond. power-cycle-ping feature can be enabled under /interface ethernet poe
menu.
Property | Description |
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power-cycle-ping-enabled (yes | no; Default: no) | Enables ping watchdog, power-cycles port if a host does not respond to ICMP or MAC-Telnet packets. |
power-cycle-ping-address (IPv4 | IPv6 | MAC; Default: ) | An address which will be monitored. Since RouterOS 6.46beta16, an active route towards PD is required in case an IP address is configured, so make sure PSE can reach the PD. In case the MAC address is specified, PSE will send MAC-Telnet ping requests only from a specified ethernet interface. When configuring a bridge vlan-filtering or some way of VLAN switching, it is recommended to use the IP address for monitoring your PD. |
power-cycle-ping-timeout (time:0..1h |; Default: 5s) | If the host does not respond for more than <timeout> period of time, then PoE-Out port is switched off for 5s. |
power-cycle-interval (time| any; Default: ) | Disables PoE-Out power for 5s between the specified intervals. Not related with the power-cycle-ping feature. |
If power-cycle is enabled, /interface ethernet poe monitor
will show the actual status of the host and time when power cycle will be performed [1]
SwOS
SwOS interface provides basic PoE-Out configuration and monitoring options, see more details in the SwOS PoE user manual.
PoE-Out Monitoring
RouterOS
MikroTik devices with PoE-Out controller (not injector) provides port monitoring option. /interface ethernet poe monitor [find]
Property | Description |
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name () | Name of an interface |
poe-out () | Shows PoE-Out settings |
poe-out-status () | Shows current PoE-Out status on port
The delivered voltage at PD is too low for normal powering (for example Vmin =>30V, but provided 24V); PD uses a second power source which has a higher voltage than PSE, so all current is taken from the second DC source, not PSE PoE-Out port;
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poe-out-voltage () | Displays PoE Voltage which is applied to the PD. |
poe-out-current () | Displays port current (mA) which is drawn by the PD. |
poe-out-power () | Displays PD power consumption |
If power-cycle-ping
feature is used, /interface ethernet poe monitor [find]
will show additional fields:
Info |
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power-cycle-host-alive: <YES/NO> (Shows if monitored host is reachable) |
SNMP
It is possible to monitor PoE-Out values using SNMP protocol, this requires enabled SNMP on PSE. SNMP Wiki
SNMP OID tables:
- 1.3.6.1.4.1.14988.1.1.15.1.1.1 - interface-id
- 1.3.6.1.4.1.14988.1.1.15.1.1.2 - interface names
- 1.3.6.1.4.1.14988.1.1.15.1.1.4 - voltage in dV (decivolt)
- 1.3.6.1.4.1.14988.1.1.15.1.1.5 - current in mA
- 1.3.6.1.4.1.14988.1.1.15.1.1.6 - power usage in dW (deviwatt)
SNMP values can be requested also from the RouterOS, for example, snmp-walk
will print current mA from all available PoE-Out ports:
Info |
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/tool snmp-walk address=10.155.149.252 oid=1.3.6.1.4.1.14988.1.1.15.1.1.5 |
To get very specific OID value, use snmp-get
tool (displays current mA on ether3 interface):
Info |
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tool snmp-get address=10.155.149.252 oid=1.3.6.1.4.1.14988.1.1.15.1.1.5.3 |
PoE-Out notifications
PoE-Out LEDs
Models with dependant voltage output
PoE-Out LED behavior can differ between models, but most of them will indicate PoE-Out state on one additional LED. Devices with one voltage output will light:
- Red color LED - PoE-Out port state is powered-on (auto or forced-on mode).
- Blinking Red color LED - PoE-Out port state is short-circuit
Models with selectable voltage output
Models with multiple voltage options can indicate additional information:
- Green color triangle LED - PoE-Out port state is powered-on (auto or forced-on mode), PD uses low voltage.
- Red color triangle LED - PoE-Out port state is powered-on (auto or forced-on mode), PD uses high voltage (af/at or passive).
- Blinking Green color triangle LED - PoE-Out port state (low voltage) is short-circuit or overload
- Blinking Red color triangle LED - PoE-Out port state (high voltage) is short-circuit or overload
Model-specific LED behavior
- CRS112-8P-4S-IN - All PoE LEDs flashing: wrong voltage PSU plugged into one of the ports.
- netPower 16P - All PoE LEDs flashing: wrong voltage PSU plugged into one of the ports.
- CRS328-24P-4S+RM - indicates an exceeded overall max PoE output limit. Port PoE-Out priorities will work in 3 independent sections (8 ports each) and overload will happen in any section that breaches 150W consumption.
PoE-Out Logs
By default PoE-Out, event logging is enabled and uses "warning" and "info" topics to notify the user about PoE-Out state changes. Log entries will be added to each PoE-Out state change. Important logs will be added with a "warning" topic, informative logs will be added with the "info" topic. When PoE LLDP is enabled, LLDP status updates are available in the device logs, for example:
Info |
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Possible denial reasons:
Info |
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SwOS
SwOS interface provides basic PoE-Out configuration and monitoring options, see more details in the SwOS PoE user manual.
PoE-Out Monitoring
RouterOS
MikroTik devices with PoE-Out controller (not injector) provides port monitoring option. /interface ethernet poe monitor [find]
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- powered-on - Power is applied to the port, and PoE-Out is operating normally,
- waiting-for-load - PSE attempts to detect if power can be applied to the port. For powering there should be resistance in the range from 3kΩ to 26.5kΩ;
- short-circuit - Short-circuit is detected on PoE-Out port, power is switched off, the only detection with low voltage takes place.
- overload - The PoE-Out current limit is exceeded, power is switched off on PoE-Out port. For port limits see each model specifications.
- voltage-too-low - PD can not be powered with the voltage provided from PSE.
- current-too-low - current-too-low means that PD draws too low current (<10mA) than normal PoE-Out device should, the reason for this can be:
The delivered voltage at PD is too low for normal powering (for example Vmin =>30V, but provided 24V);
PD uses a second power source which has a higher voltage than PSE, so all current is taken from the second DC source, not PSE PoE-Out port;
- off - all detection and power is turned off for this port;
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If power-cycle-ping
feature is used, /interface ethernet poe monitor [find]
will show additional fields:
Info |
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power-cycle-host-alive: <YES/NO> (Shows if monitored host is reachable) |
SNMP
It is possible to monitor PoE-Out values using SNMP protocol, this requires enabled SNMP on PSE. SNMP Wiki
SNMP OID tables:
- 1.3.6.1.4.1.14988.1.1.15.1.1.1 - interface-id
- 1.3.6.1.4.1.14988.1.1.15.1.1.2 - interface names
- 1.3.6.1.4.1.14988.1.1.15.1.1.4 - voltage in dV (decivolt)
- 1.3.6.1.4.1.14988.1.1.15.1.1.5 - current in mA
- 1.3.6.1.4.1.14988.1.1.15.1.1.6 - power usage in dW (deviwatt)
SNMP values can be requested also from the RouterOS, for example, snmp-walk
will print current mA from all available PoE-Out ports:
Info |
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/tool snmp-walk address=10.155.149.252 oid=1.3.6.1.4.1.14988.1.1.15.1.1.5 |
To get very specific OID value, use snmp-get
tool (displays current mA on ether3 interface):
Info |
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tool snmp-get address=10.155.149.252 oid=1.3.6.1.4.1.14988.1.1.15.1.1.5.3 |
PoE-Out notifications
PoE-Out LEDs
Models with dependant voltage output
PoE-Out LED behavior can differ between models, but most of them will indicate PoE-Out state on one additional LED. Devices with one voltage output will light:
- Red color LED - PoE-Out port state is powered-on (auto or forced-on mode).
- Blinking Red color LED - PoE-Out port state is short-circuit
Models with selectable voltage output
Models with multiple voltage options can indicate additional information:
- Green color triangle LED - PoE-Out port state is powered-on (auto or forced-on mode), PD uses low voltage.
- Red color triangle LED - PoE-Out port state is powered-on (auto or forced-on mode), PD uses high voltage (af/at or passive).
- Blinking Green color triangle LED - PoE-Out port state (low voltage) is short-circuit or overload
- Blinking Red color triangle LED - PoE-Out port state (high voltage) is short-circuit or overload
Model-specific LED behavior
- CRS112-8P-4S-IN - All PoE LEDs flashing: wrong voltage PSU plugged into one of the ports.
- netPower 16P - All PoE LEDs flashing: wrong voltage PSU plugged into one of the ports.
- CRS328-24P-4S+RM - indicates an exceeded overall max PoE output limit. Port PoE-Out priorities will work in 3 independent sections (8 ports each) and overload will happen in any section that breaches 150W consumption.
PoE-Out Logs
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To avoid unnecessary logging in cases when PD is not powered because of current-too-low, RouterOS will filter such events, and add one log per every 512 current-too-low events.
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