User's Manual
13
Chapter2HardwareInstallation
ThischapterintroducesexternalI/OandtheinstallationofDS‐561Hardware.
2.1 DS‐561I/OConnectors
2.1.1 FrontI/O
2.1.2 RearI/O
2.2 DS‐561ExternalI/OConnectors
2.2.1 PowerON/OFFButton
DS‐561hasapowerON/OFFbuttononthefrontside.PushthisbuttontoturnthesystemON
andOFF.Italsosupportsa5seconddelaysoftpoweroff.
Figure.8PowerON/OFFButton
2.2.2 COMConnector
DS‐561providesoneD‐sub9‐pinconnectorsserialcommunicationinterfaceport.Theports
supportRS‐232modecommunications.
Figure.9COMConnector
Table.1COMConnectorPinAssignments
Pin Signal Name
1 DCD
2 RxD
3 TxD
4 DTR
5 GND
6 DSR
7 RTS
8 CTS
9 RI