Spectrum Controls 2080sc-BAC - Manual (Page 15)

Chapter 1: Module Overview 1-7
User’s Manual Pub. 0300274-01 Rev. A.0
The six-pin Connector pinouts are as follows:
Pin Signal
6 MSTP+
5 GND
4 GND
3 LOAD-
2 LOAD+
1 MSTP-
1.5.2 Ethernet Connector
The Ethernet connector has a default MAC address that may be changed during
setup. The Ethernet connector may be used as an external communication port to
a personal computer or to another BACnet module. The Ethernet connector is
also used to configure the module.
The default IP address for the module is 169.254.3.3. If the module is already
configured, software is available for you to detect the address. See Chapter 3,
Configuring the Module Using Software.
Pinouts for the connector (crossover) are:
2080sc-BACnet
Module
Personal Computer
1 TX+
2 TX-
3 RX+
4 Not connected
5 Not connected
6 RX-
7 Not connected
8 Not connected
8 Not connected
7 Not connected
6 TX-
5 Not connected
4 Not connected
3 TX+
2 RX-
1 RX+