Com1,2] Serial Port Terminals; Alarm Input; Alarm Output - JVC VN-E4U - 4 Channel Network Encoder Instructions Manual

Preparation
(continued)

4-3 [COM1,2] Serial Port Terminals

2CH
4CH
Connect the device (camera, etc.) to be controlled to the serial port. Use the switch to switch between RS-232C and RS-485.
● Pin Layout
Pin No.
1
2
3
4
5
6
7
8
9

4-4 Alarm Input

CONTROL
SERVICE
COM OUT 1 2 3
OUTPUT
PUSH
RESET
10BASE-T/100BASE-TX
For connecting the sensor. This consists of 4 input and 1 ground terminals. Either Make or Break is selected depending on the
setting, and sensors of the no-voltage A contact output (normally open), no-voltage B contact output (normally closed) or no-
voltage C contact output type may be used.

4-5 Alarm Output

CONTROL
COM1 SERVICE
COM OUT
OUTPUT
COM2
10BASE-T/100BASE-TX
The [OUT] and [COM] terminals form the make contact. Connect the device that is to be turned on during an alarm. Alarm output
changes to break when the power of VN-E4 is turned off. Upon starting up VN-E4, the alarm output is restored to the previous
state.(A pg. 54, A8. SpecificationsB)
18
CONTROL
SERVICE
COM1
COM
OUTPUT
COM2
10BASE
When RS-232C is selected
Name
(NC)
RXD
TXD
(NC)
GND
(NC)
(NC)
(NC)
(NC)
ALARM
4 G INPUT
DC 5V
A
1 2 3 4 G I
PUSH
RESET
DC 5V
Function
(Not in use)
Receive data
Send data
(Not in use)
Grounding
(Not in use)
(Not in use)
(Not in use)
(Not in use)
When RS-485 is selected
Name Function
RX+ + Receiving End
RX - - Receiving End
TX - - Sending End
TX+ + Sending End
GND Grounding
(NC) (Not in use)
(NC) (Not in use)
(NC) (Not in use)
(NC) (Not in use)