Ross openGear GPI-8941 Series, Руководство пользователя

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GPI-8941 Series User Guide (v9.0) Serial Cabling • 33
Serial Cabling
The
Serial
adapter port on the rear module provides an RS-485 connection. The port supports the Image Video™
GPI485 serial protocol for control and status reporting. Refer to the user manual for your external device for the
specific pinout information and the required port to use.
For More Information on...
• serial protocol, refer to the section “ Enabling the GPI-8941 for the GPI485 Serial Protocol ” on page 42.
Serial Adapter Port on the Rear Module
The Serial adapter port on the rear module is located under the two DC-37 GPI connectors. The Serial port is a
Molex® 8-circuit with a 2.00mm pitch micro Latch. A cable assembly is supplied with the GPI-8941 that provides
a female DE-9 connection.
Figure 7.1 provides the pinout mapping for the Serial adapter port on the rear module.
Figure 7.1 Pinouts — Serial Connector on the Rear Module
Table 7.1 provides the pinout assignment for the Serial DE-9 connector on the serial interface cable to the Serial
port on the rear module.
Table 7.1 Pinouts for the Serial Interface Cable
Serial DE-9
Connector
Function Direction
Serial Port on Rear
Module
1 No connection 1
6 Ground 2
2 Tx- From GPI-8941 5
7 Tx+ From GPI-8941 6
3 Rx+ To GPI-8941 3
8 Rx- To GPI-8941 4
4 Ground 7
9 No connection 8
5 No connection
8
7
6
5
4
3
2
1