

Model:SH-RJ12C
Replaces APC 940-0144A, designed for configuring/debugging APC PDUs/ATS (e.g., AP78XX, AP79XX). RS232 protocol, PL2303GT chip, 1.8M length. Plug & play post-driver installation. Compatible with Windows, Linux, Mac. Pinout: GND, TX, RX, GND. Supports APC switched/metered units.

Broad Compatibility?
Replaces APC 940-0144A, supports APC PDUs/ATS models (AP78XX, AP79XX, etc.) and works with Windows, Linux, and Mac systems.

Plug-and-Play RS232 Communication
Features PL2303GT chip, RS232 protocol, and 1.8M cable for high-speed (1Mbps) debugging/configuring of APC units after one-time driver setup.

Multi-Device Support
Compatible with APC Automatic Transfer Switches, Metered/Switched Rack PDUs, and Metered-by-Outlet units across 40+ models.
Specification
![]() Model:SH-RJ12C | ![]() Model:SH-RJ12A | ![]() Model:SH-RJ12B | ![]() Model:SH-RJ12S | ![]() Model:SH-RJ12K | ![]() ?Model:SH-RJ12T | |
|---|---|---|---|---|---|---|
| Customer Reviews | — | — | — | — | — | — |
| Price | — | — | — | — | — | — |
| Main Chip | PL2303GT | FTDI FT232RNL | CP2102 | FTDI FT232RNL | FTDI FT232RNL | PL2303GT |
| Standard | RS232 | RS232 | RS232 | RS485 | RS232 | RS232 |
| Lead PIN | TX,RX | TX,RX | TX,RX | A+,B- | RTS,DTR,TXD,RXD | TX,RX |
| USB Type | USB-A | USB-A | USB-A | USB-A | USB-A | USB-C |

Model:SH-RJ12C
Replaces APC 940-0144A, designed for configuring/debugging APC PDUs/ATS (e.g., AP78XX, AP79XX). RS232 protocol, PL2303GT chip, 1.8M length. Plug & play post-driver installation. Compatible with Windows, Linux, Mac. Pinout: GND, TX, RX, GND. Supports APC switched/metered units.

Broad Compatibility?
Replaces APC 940-0144A, supports APC PDUs/ATS models (AP78XX, AP79XX, etc.) and works with Windows, Linux, and Mac systems.

Plug-and-Play RS232 Communication
Features PL2303GT chip, RS232 protocol, and 1.8M cable for high-speed (1Mbps) debugging/configuring of APC units after one-time driver setup.

Multi-Device Support
Compatible with APC Automatic Transfer Switches, Metered/Switched Rack PDUs, and Metered-by-Outlet units across 40+ models.
Specification
| ?Model | SH-RJ12C |
| ?Main Chip | PL2303GT |
| ?Communication Protocol | RS232 |
| ?Connectors | USB Type A, RJ12/RJ11 (6P4C) |
| ?Max Speed? | 1 Mbps |
| ?Cable Length? | 1.8 Meters / 5.9 Feet |
| ?Pin Definition? | GND, TX, RX, GND |
| ?Line Sequence? | NULL, GND, TX, RX, GND, NULL (6P4C) |
| ?Compatible Devices? | APC PDUs/ATS (AP78XX, AP79XX, AP86XX, AP88XX, AP89XX, etc.) |
| ?Replaces APC Part? | #940-0144, #940-0144A |
| ?Supported Systems? | Windows 7/8/10/11, Linux, macOS |
| ?Driver Requirement? | Plug & Play after one-time driver installation |
| ?Included? | 1 × SH-RJ12C Cable, 1 × User Manual |
![]() Model:SH-RJ12C | ![]() Model:SH-RJ12A | ![]() Model:SH-RJ12B | ![]() Model:SH-RJ12S | ![]() Model:SH-RJ12K | ![]() ?Model:SH-RJ12T | |
|---|---|---|---|---|---|---|
| Customer Reviews | — | — | — | — | — | — |
| Price | — | — | — | — | — | — |
| Main Chip | PL2303GT | FTDI FT232RNL | CP2102 | FTDI FT232RNL | FTDI FT232RNL | PL2303GT |
| Standard | RS232 | RS232 | RS232 | RS485 | RS232 | RS232 |
| Lead PIN | TX,RX | TX,RX | TX,RX | A+,B- | RTS,DTR,TXD,RXD | TX,RX |
| USB Type | USB-A | USB-A | USB-A | USB-A | USB-A | USB-C |




























