233 Device supports IP channel. The network camera connection shall begin with the lastchannel. Please note DVR needs to restart to activate new setup.NoteAdd IP channel function refers to the extra IP channel amount except current channel totalamount (analog+IP). Different series products may support different extra IP channelamount. For 16-channel series product (16 analog channel+48 IP channel), check thechannel 17 to channel 64, it is to change these channels to IP channels. See Figure4-212.4.17 System Settings4.17.1 RS232Step 1 From main menu->Setting->System->RS232.Enter RS232 interface. See Figure 4-213.Step 2 Set parameters. Function: There are various devices for you to select. Console is for you to use theCOM or mini-end software to debug. The control keyboard is for you to control thedevice via the special keyboard. Transparent COM (adapter) is to directly connect tothe PC to transfer data. Protocol COM is for card overlay function. Network keyboardis for you to use the special keyboard to control the device. PTZ matrix is to connectto the peripheral matrix control. Baud rate: You can select proper baud rate. Data bit: You can select proper data bit. The value ranges from 5 to 8. Stop bit: There are two values: 1/2. Parity: There are five choices: none/odd/even/space mark.System default setup is: Function: Console Baud rate:115200 Data bit:8 Stop bit:1 Parity: NoneStep 3 Click Apply or Save to complete setup.