| RTS routed to CTS, AUXIN |
| routed to AUXOUT, and TCLK |
Loopback All | routed to RCLK. Used when |
| external handshaking or clocking |
| signals are not available. |
| RTS routed to AUXOUT, |
| AUXIN routed to CTS, and |
Modem Control | TCLK routed to RCLK. Used |
| when RTS/CTS handshaking is |
| required. |
| RTS routed to CTS, AUXIN |
| routed to RCLK, and TCLK |
| routed to AUXOUT. Used to |
Clocks | connect ports transmitting at |
| different baud rates. In order to |
| function, all ports must have and |
| use this feature. |
32 |