MRV Communications MR2228-S2C User Manual

Page 24

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Table 3-1. Serial Cable Wiring

Switch’s 9-Pin

Serial Port

Null Modem

PC’s 9-Pin

DTE Port

2 RXD (receive data)

<----------------------------

3 TXD (transmit data)

3 TXD (transmit data)

----------------------------->

2 RXD (receive data)

5 SGND (signal ground)

------------------------------

5 SGND (signal ground)

The serial port’s configuration requirements are as follows:
• Default Baud rate—9,600 bps
• Character Size—8 Characters
• Parity—None
• Stop bit—One
• Data bits—8

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