The B_2L has faster and more Ethernet (2 × 2.5GbE). The A_1L has more USB ports (6 vs 4).
Premio JCO-1000 comparison premioinc... +1premioinc.com ↗“io.ethernet_ports=1, io.dio_channel_count=8, io.serial_port_count=2, io.max_ethernet_speed=1GbE”premioinc.com ↗“io.ethernet_ports=2, io.dio_channel_count=8, io.serial_port_count=2, io.gmsl_camera_inputs=4, io.max_ethernet_speed=2.5GbE”
| Spec | JCO-1000-ORN-A_1L | JCO-1000-ORN-B_2L |
|---|---|---|
| Max Ethernet speed | 1GbE | 2.5GbE |
| Ethernet ports | 1 | 2 |
| USB ports | 6 | 4 |
The ports are described differently for each model:
- The A_1L is the "model A general industrial" version, listed with USB3.2 and GbE. premioinc...premioinc.com ↗“USB3.2/HDMI/CAN/GbE, model A general industrial”
- The B_2L is the "model B higher-bandwidth" version for transportation and smart infrastructure setups with lots of cameras. It also lists 4 GMSL camera inputs. premioinc... +1premioinc.com ↗“model B higher-bandwidth for camera-rich transportation/smart infrastructure”premioinc.com ↗“io.gmsl_camera_inputs=4”
The USB speed for each port isn't broken down here. The full I/O details are on Premio's datasheets: