show system inventory hardware optics | Junos OS | Juniper Networks
Output Fields Table 1 lists the output fields for the show system inventory hardware optics command. Output fields are listed in the
Juniper to check optical module model
You can recognize Juniper optical modules by using the show interfaces diagnostics optics command to view module type, vendor, and operational parameters.
Accessing Module Information
- Connect to the device: Use a serial console cable or SSH to access the Juniper switch or router management port.
- Login: Enter your username and password to access the CLI.
- Enter operational mode: Type
cliand press Enter to access Junos OS operational mode .
Commands to Identify Optical Modules
- Basic status:
show interfaces diagnostics opticsThis command lists all installed optical modules, showing their status, type, vendor, temperature, voltage, and optical power levels . - Interface-specific details:
show interfaces diagnostics opticsReplacege-0/0/1,xe-0/0/2) to view detailed information for that module . - High-speed modules: For 100G QSFP28 transceivers, use:
show interfaces diagnostics optics-profileThis provides detailed monitoring data including laser output power, receive power, and temperature .
Interpreting the Output
The output typically includes:
- Module type: SFP, SFP+, XFP, QSFP+, or CFP
- Vendor information: Juniper-branded or third-party
- Operational parameters:
- Transmit (Tx) and receive (Rx) optical power
- Module temperature
- Supply voltage
- Laser bias current
- TEC current (for temperature control)
- Alarms and warnings: High/low thresholds indicate potential issues but do not always mean immediate failure .
Additional Tips
- Check interface labeling: Match the interface number in the CLI with the physical port on the switch panel .
- Verify compatibility: Confirm that the module type and coding are compatible with your Juniper device to avoid operational issues .
- Third-party modules: Non-Juniper modules are usually listed with their vendor name and may have different threshold values . By using these commands and interpreting the diagnostic output, you can accurately recognize and monitor Juniper optical modules, ensuring proper operation and compatibility.
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Description In addition to checking the current status of an optic via the ''show interfaces diagnostics optics <interface
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Qualified Optics | HPE Juniper Networking US
10G/1G Optics Juniper''s 10G and 1G optical modules service a wide range of use cases across campus, data center, and telecom
Optic Modules Datasheet
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