The female version of the PXSu behaves as a DCE. The input (I) and output (O) direction in the following table are from the PXSu point of view.
| PIN | Signal Name | RS232 Circuit | V.35 Circuit | EIA530 Circuit | Dir. | See Note |
|---|---|---|---|---|---|---|
| 1 | Shield | - | - | - | - | |
| 2 | Transmit Data (-) | BA | 103 | BA(A) | I | |
| 3 | Receive Data (-) | BB | 104 | BB(A) | O | |
| 4 | Request to Send (-) | CA | 105 | CA(A) | I | |
| 5 | Clear to Send (-) | CB | 106 | CB(A) | O | |
| 6 | Data Set Ready (-) | CC | 107 | CC(A) | O | |
| 7 | Signal Ground | AB | 102 | AB | - | |
| 8 | Receive Line Signal Detected (DCD)(-) | CF | 109 | CF(A) | I | 2 |
| 9 | Receive Clock (+) | 115 | DD(B) | O | 1 | |
| 10 | Receive Line Signal Detected (DCD)(+) | 109 | CF(B) | I | 2 | |
| 11 | Transmit Clock (DTE Source) (+) | 113 | DA(B) | I | 3 | |
| 12 | Transmit Clock (+) | 114 | DB(B) | O | 1 | |
| 13 | Clear to Send (+) | CB(B) | O | |||
| 14 | Transmit Data (+) | 103 | BA(B) | I | ||
| 15 | Transmit Clock (-) | DB | 114 | DB(A) | O | 1 |
| 16 | Receive Data (+) | 104 | BB(B) | O | ||
| 17 | Receive Clock (-) | DD | 115 | DD(A) | O | 1 |
| 18 | ||||||
| 19 | Request to Send (+) | CA(B) | I | |||
| 20 | Data Terminal Ready (-) | CD | 108 | CD(A) | I | |
| 21 | RL/RI | RL/CE | 140/125 | RL/- | 4 | |
| 22 | Data Terminal Ready (+) | CD(B) | I | |||
| 23 | Data Set Ready (+) | CC(B) | O | |||
| 24 | Transmit Clock (DTE Source) (-) | DA | 113 | DA(A) | I | 3 |
| 25 | LL/TM | LL/TM | 141/142 | LL/TM | 5 |