This cable is available from most computer equipment suppliers.
This cable is available from most computer equipment suppliers.
PortMaster 4 Serial Port (C0, C1) | PC or Terminal Serial Port | ||||
---|---|---|---|---|---|
RJ-45 | Name | Definition | Direction | DB-25 (DTE) | Signal |
1 | RTS | Request to Send | Output | 5 | CTS |
2 | DTR | Data Terminal Ready | Output | 81 | DCD |
3 | TXD | Transmit Data | Output | 3 | RXD |
4 | GND | Signal Ground | NC2 | ||
5 | GND | Signal Ground | 7 | GND | |
6 | RXD | Receive Data | Input | 2 | TXD |
7 | DCD | Data Carrier Detect | Input | 20 | DTR |
8 | CTS | Clear to Send | Input | 4 | RTS |
NC2 | Data Set Ready | 61 | DSR |
PortMaster 4 Ethernet, T1, and E1 RJ-45 Ports | |||
---|---|---|---|
RJ-45 | Signal | Definition | Direction to or from the PortMaster 4 |
1 | RXD (Ring) | Receive Data | Input |
2 | RXD (Tip) | ||
4 | TXD (Ring) | Transmit Data | Output |
5 | TXD (Tip) |
1. For NEBS-compliant installations, Category 5 shielded twisted pair cable must be used.