In observance of Labor Day, Express Systems will be closing early on Friday, September 4th and will be closed on Monday, September 7th. We will resume normal business hours on Tuesday, September 8, 2026 at 9:00am EST.
We wish our customers, partners, and their families a safe, relaxing, and enjoyable holiday weekend. Thank you to the hardworking people who keep our communities connected every day!
This cable has A, B, C and D ends: A end has 20 pins, B end is 4PIN power terminal, C end is J1939 9PIN female, D end is I/O open end, Suitable for field engineering projects and testing.