接头引脚排列信息

• DB9 connector (port 1)
• DB9 connector (port 2)
• Lemo connectors (port 3 and 4)
• RJ45 Ethernet connector
• USB Mini-B connector
• 1PPS and ASCII time tag
• Event marker input
• TNC GNSS antenna connector
• BNC external frequency input connector
• SMA-RP Wi-Fi connector