Moxa NPort serial server connects to serial devices to Ethernet. The table below is the pinout to connect your Moxa NPort device to Cisco console for remote network access via the serial port.
[su_table]| Moxa Pin | Colour | Moxa NPort Signal | Cisco Pin | Cisco Console Signal |
| 1 | White/Green | DSR | 2 | Not Used |
| 2 | Green | RTS | 1 | DTR |
| 3 | White/Orange | GND | 4 | TxD |
| 4 | Blue | TxD | 6 | GND |
| 5 | White/Blue | RxD5 | 3 | GND |
| 6 | Orange | DCD | 5 | RxD |
| 7 | White/Brown | CTS | 7 | DSR |
| 8 | Brown | DTR | 8 | Not Used |
RJ-45 PLUG
RS-232 Reference Signals
[su_table]| Abbreviation | Name | Description |
| DTR | Data Terminal Ready | DTE is ready to receive, initiate, or continue a call. |
| DCD | Data Carrier Detect | DCE is receiving a carrier from a remote DCE. |
| DSR | Data Set Ready | DCE is ready to receive commands or data. |
| RI | Ring Indicator | DCE has detected an incoming ring signal on the telephone line. |
| RTS | Request To Send | DTE requests the DCE prepare to transmit data. |
| RTR | Ready To Receive | DTE is ready to receive data from DCE. If in use, RTS is assumed to be always asserted. |
| CTS | Clear To Send | DCE is ready to accept data from the DTE. |
| TxD | Transmitted Data | Carries data from DTE to DCE. |
| RxD | Received Data | Carries data from DCE to DTE. |
| GND | Common Ground | Zero voltage reference for all of the above. |
| PG | Protective Ground | Connected to chassis ground. |
RS-232 Voltage Levels
[su_table]| Data circuits | Â DC Voltage |
| Space – Binary 0 | +3 to +15 V |
| Mark – Binary 1 | -15 to -3 V |
