BDCOM Infrastructure Hub
Your technical definitive guide to BDCOM networking. From OLT configuration to advanced ONU management, explore 2026’s most comprehensive repository for ISP engineers.
⚡ Configuration & CLI
🛠️ Troubleshooting
📂 ONU Management
🚀 Quick Action: Check ONU Signal
show ont optical-info interface gpon 0/1 1
Replace 0/1 1 with your specific PON port and ONU index.
BDCOM Diagnostic & Signal Master Table
Reference guide for signal levels, common error logs, and CLI solutions.
Perfect: -8 to -24 dBm
Warning: -25 to -27 dBm
Critical: Below -28 dBm
| Issue / Status | Log / Error Message | Action / CLI Solution |
|---|---|---|
| High Attenuation | Critical Signal | Check fiber joints and splitters. Aim for -18 to -23 dBm for stability. |
| ONU Offline | llid-admin-down | Interface is disabled. Run: epon onu-admin-status enable |
| Authentication | Unbound ONU found | Bind the MAC: epon bind-onu mac xxxx.xxxx.xxxx [ID] |
| Power Loss | Dying Gasp Alarm | The ONT has lost electrical power. Check adapter at subscriber’s home. |
| VLAN Mismatch | wire-down (Physical) | Ensure physical fiber is connected and port is set to switchport mode trunk. |
| MAC Table Full | MAC aging timeout | Check for loops or increase aging time: mac-address-table aging-time 300 |
⚙️ System Basics
Save Config
write all
Firmware
show version
Restart OLT
reboot🛰️ ONU Management
Find New
show gpon ont-find list
List All
show gpon onu-description
Bind MAC
gpon bind-onu macdiagnostic Troubleshooting
Live Logs
terminal monitor
Signal Rx
show gpon interface...
Delete ONU
no gpon bind-onuDeepen Your Technical Expertise
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