BU Command — Report Buffer
Management of the internal buffer for pending transmission reports.
What is it for?
| Use case | Description |
|---|---|
| 📊 Connectivity monitoring | Check if there are unsent reports |
| 🗑️ Queue cleanup | Clear accumulated old reports |
| 💾 Local download | Extract reports via serial port |
| 🛰️ Satellite management | Manage ORBCOMM report queue |
| ⚠️ Diagnostics | Detect communication issues |
Description
Queries the number of reports stored in the device’s internal buffer. Also allows deleting the accumulated report buffer for GPRS, SMS and Satellite destinations.
Query number of reports
QBUResponse
RBU;GPRS=aaaaa;SMS=bbbbb| Parameter | Description |
|---|---|
| aaaaa | Number of reports in GPRS queue |
| bbbbb | Number of reports in SMS queue |
Clear report queue
CBUThe clearing time can reach 10 seconds. Do not send commands during this process.
Download reports via serial port
Downloads all accumulated reports in the buffer through the serial port.
QBUSClear ORBCOMM Satellite report queue
Clears the queued reports for ORBCOMM satellite destination.
CBUORBAssociated Signals
| Property | Value |
|---|---|
| Signal | BU |
| Index | No index |
| Conditional use | Yes |
| Edges | + positive only |
The BU signal activates when there are pending reports in the buffer. Useful for monitoring connectivity status.
Compatibility
💾Firmware v1.03.00
SPLegacy
ULLegacy
MTLegacy
💾Firmware v1.00.00
SP-IOT
SM-IOT
Last updated