Samsung SIR-S4120R - Manual (Page 7)

1-6 1-5
DIGITAL VIDEO RECORDER
Back View
1
2
3
4
5
No Name Function
Audio In/Out
LAN
External
Input/Output
Ports
RCA type audio input/output connectors.
Connector for LAN cable connection.
● ALARM IN: In N.C. (Normally Closed) mode, the system rec
ognizes an alarm condition when a high (5V) signal is input for
longer than 0.5 second. In N.O. (Normally Open) mode, the
system recognizes an alarm condition when a low (0V) signal
is input for longer than 0.5 second.
● ALARM RESET: If a low (0V) signal is input for longer 0.5
second, Alarm mode will be cancelled..
● ALARM OUT: A high (5V) signal will be output during alarm
recording.
● TRIGGER OUT: This signal is for switching the multiplexer's
recording output screen.
● REC IN: The system begins recording if a low (0V) signal is
input for longer than 0.5 second.
● DISK END: If DISK END MODE in the RECORD MODE
SETUP menu is set to STOP, a low (0V) signal will be output for
about 1 second when the hard drive becomes full during recording.
9
10
11
P
0
W E
R
IN
OUT
1 2 3 4 8 5 9 7 10 11 6
P
0
W E
R
No Name Function
POWER
AC IN
FAN
MODE
RS485 PORT
RS232 PORT
Video In/Out
Connectors
Power On/Off switch.
The inlet for connecting the power cord.
NTSC (AC 110 ~ 240V, 60 Hz) PAL (AC 220V, 50Hz)
Fan
Dip switches for setting the system ID, serial communication,
and termination.
● 1~5 : System ID (1 : Least Significant Bit, 5 : Most
Significant Bit) (Push the dip switch up to set it to
Off (0) and push it down to set it to On (1).)
● 6 : Not Used
● 7 : Termination On/Off (Use this to set the last system
in a series of serially connected systems to ON or
OFF.) (Push the dip switch up to set it to OFF and
push it down to set it to ON.)
● 8 : Not Used
A serial port for remote control.
A serial port for remote control.
BNC style connectors for composite video input/output.
S-VIDEO input/output connectors.
6
8
7