Public Questions & Answers

To estimate the inside temperature, quantify the heat you generate and compare it with what the cabinet can remove through ventilation. Start by listing every heat source in the cabinet (the router and any connected devices) and capture each device’s power draw in watts. Note the ambient site temperature and the cabinet’s ventilation characteristics (openings, gaps, and any fans). Then apply a simple heat-balance approach or use a temperature logger to see…

Heat is a key factor in cabinet installations. To verify the cabinet won't overheat during operation, check the router's operating temperature range, its power draw, and the cabinet's ventilation. If possible, estimate the expected inside temperature given the ambient conditions and any nearby heat sources, and confirm there is adequate airflow. Cabinet installations also need proper grounding, transient protection and separation from noisy electrical comp…

Yes, provided the interfaces and network method suit the control system. Industrial deployments often need more than a SIM slot: they may need serial connectivity, GPIO, VPN capability, stable addressing and the ability to survive electrical noise or harsher cabinet conditions. That is why the automation discussion tends to be more structured than a standard office internet conversation. Comset can help identify whether the right path is Ethernet, serial,…

Start with heat, power, mounting space, antenna cable exits and whether the cabinet is likely to shield or distort the mobile signal. Cabinet installations also need proper attention to grounding, transient protection and separation from noisy electrical components. A router squeezed into the nearest spare corner often becomes a future support problem. Comset can usually advise whether the cabinet installation is sensible as-is or whether the antenna, pow…

The local controller should continue a safe predefined mode, buffer readings where possible and clearly indicate that remote supervision is unavailable. Commands should have timeouts and sequence checks so an old instruction is not applied after reconnection. The router can attempt staged recovery, switch WAN or SIM and send alerts through an alternate channel such as SMS. Once connectivity returns, the system should authenticate again, reconcile state an…

Common requirements include Ethernet for PLCs or HMIs, RS-232 or RS-485 for legacy devices, Modbus TCP or RTU support, VPNs, static routing, firewall rules and reliable WAN failover. GPIO or relay functions may be useful for alarms and controlled resets. The exact protocol often remains between the central system and the controller; the router provides the secure network path. Confirm addressing, port requirements, latency tolerance and whether the contro…

Cellular networks can experience latency changes, short outages and path changes that are unacceptable for real-time safety or control loops. Local PLCs and controllers should continue their core process safely without depending on a distant cloud response. Use the cellular link for supervision, data collection, configuration and non-time-critical commands. Define safe local states, interlocks and buffers for communications loss. When service returns, dat…