JVC VN-E4U Instruction Manual - Page 9

Introduction (continued) [BACK] [BOTTOM] M AUDIO VIDEO INPUT IN 1CH 2CH OUT 3CH 4CH N O P RS-232C RS-485 RS T W COM1 COM2 CONTROL ALARM SERVICE OUTPUT COM OUT 1 2 3 4 G INPUT PUSH RESET 10BASE-T/100BASE-TX DC 5V Q U VX Y M [AUDIO IN] terminal (RCA pin) For input of audio signals. N [AUDIO OUT] terminal (RCA pin) For output of audio signals. O [VIDEO INPUT 1CH to 4CH] terminal (BNC) For input of video signals. P [RS-232C/RS-485] COM1, 2 Protocol Selection Switch For switching between RS-232C and RS-485 of COM1 and COM2. Factory setting is RS-232C. Q [COM1, COM2] terminal (D-sub 9P) Serial port for controlling external devices. R [CONTROL/SERVICE] switch Switch for switching COM1 to servicing. Select CONTROL for normal use. Select SERVICE during maintenance. Factory setting is CONTROL. S [ALARM OUTPUT] terminal The COM and OUT terminals form the make contact. Alarm output changes to break upon turning off the power of VN-E4, and alarm output is restored to the previous state upon turning on the power again. T [ALARM INPUT] terminal Input terminal for no-voltage make contact or break contact. This consists of 4 input and 1 ground terminals. U [10 BASE-T/100 BASE-TX] LAN terminal For connecting the network cable. V [RESET] button Button for resetting VN-E4. Power will be reset upon pressing this button and releasing it within 5 seconds. If this button is pressed for 5 seconds or longer, LEDs from STS to CH4 will start to blink and all settings will be restored to their factory defaults. W Wire Clamp For securing the cable of the AC adaptor. X [DC 5V] Power Terminal For connecting the AC adaptor supplied. VN-E4 does not come with a power switch. It will start up automatically upon supply of power using the AC adaptor. Y The MAC address of VN-E4 is displayed on the label in hexadecimal numbers. 9