- APC RJ12 serial cable pinout. Compatible with Rack PDU (AP78xx, AP79xx, AP86xx, AP88xx, AP89xx) and 2G Rack Automatic Transfer Switches (AP7752, AP7752, AP7730, AP7732, AP7721, AP7723). APC part # 940-0144A. This pinout is associated with 11 compatible devices or models.
- Modular, RJ-45, straight-through UTP cable to connect the management port to an external hub, switch, or router. Figure 5-3 lists the cable pinouts for 10/100/1000BASE-T management port cable pinouts (MDI/MDIX). Figure 5-3 10/100/1000 BASE-T Management Port Cable Pinouts (MDI/MDIX) Console and Auxiliary Ports (RJ-45) Figure 5-4 shows the RJ 45.
Should be compatible with:
I have a APC Backup 350 CS UPS I recently bought that I'd like to connect to my computer. It didnt' come with the RJ45 to USB cable, and I'm not in the market to dish out 35 bucks for a basic cable. So I've decided to fall back on one of two solutions. Either find some software that creates a virtual USB port using my. 9pin to HP48 Pin Serial. Adtran CSUs RJ45 to DB9. Apple QuickTake camera to PC serial port. Cisco Asynchronous-Line RJ45 to 68Pin SCSI. Cisco Console RJ45 to DB25 Pin. Cisco Console RJ45 to DB9 Pin. Cisco DB-60 to DB-60.
- Back-UPS Pro BP650, BP650S, BP650SC, BP420, BP420S, BP420SC, BP280S (also compatible with 940-0095B cable)
- Smart-UPS 3G SU420NET, SU620NET, SU700NET, SU1000NET, SU1400NET, SU2200NET, SU3000NET, SU2200XLNET, SU2200XLTNET, SU3000TNET, SU5000T, SU1400RMXL3U, SU2200RM3U, SU2200RMXL3U, SU2200RMXLNET, SU2200RMXLTNET, SU3000RM3U, SU3000RMNET, SU3000RMT3U, SU3000RMXL3U, SU5000, SU5000RMT5U
- Smart-UPS 3.5G SU700RM2U, SU1000RM2U, SU1400RM2U
- Smart-UPS 3.6G(Serial) SUA1000, SUA1500, SUA750XL, SUA1000XL
- Smart-UPS 4.0G(Serial) SUA2200, SUA2200RM2U, SUA3000, SUA3000RM2U, SUA3000RMT2U
- Smart-UPS SC SC420, SC620
- Matrix MX3000, MX5000, MX3000XR, MX5000XR
APC Part# 940-0024A, 940-0024B, 940-0024C, 940-0024D, 940-1524 cable scheme
According to APC forum, letter suffix is related to (change of?) manufacturer or revision, not wiring, and cables are electrically interchangable.
'Simple scheme' diagram further below looks correct for 940-0024 & A,B,C or D revisions and 940-1524 which is 15' long cable; and matches what viewed on a third-party site.
Simple scheme (APC 940-1524D cable)
APC USB Cable Schematic Pinout Diagram @ Pinoutguide.com
| UPS Signal Name | DB-9 Male (UPS end) | DB-9 Female (PC end) | PC Signal Name |
| TX / AC Fail | 2 | 2 | Rx, Received Data |
| RX / Shutdown | 1 | 3 | Tx, Transmitted Data |
| Common | 9 | 5 | GND |
At the PC end: pins 1,4 (DCD, DTR) shorted; pins 7,8 (RTS, CTS) shorted.
DB-9 shells are also connected.
Apc Rj45 Serial Cable Pinout Kit
The 9,1,2 pins look OK for the basic mode, but the smart mode seems to need extra components.
4+9=GND
8=25V
7=5V
Alternative scheme. Smart UPS Console Cable APC part # is unknown.
APC Smart UPS Cable Cisco Console Adapter Pinout Pinout ...
DB 9 PC Male | UPS DB 9 Female | Comment |
1 & 2 | 2 | RX?? Short Pins 1 & 2 on PC side connect to Pin 2 on UPS side |
3 | 1 | TX ?? |
4 | N/C | No Connection |
5 | 9 | GND |
6 | N/C | No Connection |
7 & 8 | N/C | Short Pin 7 & 8 on PC side. |
Terminal Set Up:
2400 baud 8 bit no parity 1 stop no handshake.
Apply the port settings to establish the connection.
Press 3-5 times to display the username prompt.
The default SmartUPS username is apc and default password is apc
