PortMaster 3Serial Port (C0) | TerminalSerial Port | |||||
|---|---|---|---|---|---|---|
DB-25(DTE) | Signal | Definition | Direction to or from the PortMaster 3 | DB-25(DCE) | DB-9(DCE) | Signal |
| 2 | TXD | Transmit Data | Output | 2 | 3 | TXD |
| 3 | RXD | Receive Data | Input | 3 | 2 | RXD |
| 4 | RTS | Request to Send | Output | 4 | 7 | RTS |
| 5 | CTS | Clear to Send | Input | 5 | 8 | CTS |
| 6 | DSR | Data Set Ready | N/A | 6 | 6 | DSR |
| 7 | GND | Signal Ground | N/A | 7 | 5 | GND |
| 8 | DCD | Data Carrier Detect | Input | 8 | 1 | DCD |
| 20 | DTR | Data Terminal Ready | Output | 20 | 4 | DTR |
PortMaster 3T1/E1 RJ-45 Ports | |||
|---|---|---|---|
RJ-48C | Signal | Definition | Direction to or from the PortMaster 3 |
| 1 | RXD (Ring) | Receive Data | Input |
| 2 | RXD (Tip) | ||
| 4 | TXD (Ring) | Transmit Data | Output |
| 5 | TXD (Tip) | ||