






🔗 Connect like a pro — the backbone cable your APC setup deserves!
The Suamdoen DB9 to RJ12 6P6C Serial Adapter Cable (model SM-103) is a precision-engineered 6-foot cable designed for seamless RS232 communication with APC Rack PDUs (AP78xx to AP89xx) and 2G Rack Automatic Transfer Switches. Supporting a stable 9600 bps data rate with standard serial port settings, it ensures reliable data transfer in critical server room and industrial automation environments. Lightweight yet durable, this cable offers flexible RJ12/RJ11 compatibility, making it an essential connectivity upgrade for professional-grade network infrastructure.
C**R
Pinout Worked for RS232
This cable worked for my use case.Pins:DB9 (9 Pins) -> RJ12 (6 Pins)(NC - No connection)1 -> NC2 -> 4 (RS232 RX)3 -> 3 (RS232 TX)4 -> NC5 -> 2 (RS232 GND)6 -> NC7 -> NC8 -> NC9 -> NC
T**E
Received wrong cable
I have order the item RS232 to RJ12 and received the same but RJ11, it does not work for what I have ordered for. Seller has issued a refund after an explanation and I am happy with the service.
J**S
Does not work for APC PDU
It’s doesn’t work as a substitute for APC PDU 940-0144AThis is false advertising
Trustpilot
1 week ago
2 weeks ago