Db9 (Com) For Full Rs232/Rs422/Rs485; Db9 Expansion Port (Optional) - Nexcom VTC 1031 Series User Manual

Chapter 2: External Connectors Pinout Description

DB9 (COM) for full RS232/RS422/RS485

Connector number: 9
1 5
6 9
Pin Definition
1 SP2_DCD#_TX-
2 SP2_RX_TX+
3 SP2_TX_RX+
4 SP2_DTR#_RX-
5 COM2_GND
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Pin Definition
6 SP2_DSR#
7 SP2_RTS#
8 SP2_CTS#
9 SP2_RI#

DB9 Expansion Port (Optional)

Connector number: 10
This connector is an option and dedicated to the expansion.
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VTC 1031 and nROK 1031 Series User Manual