Samsung SRD-1610D, 870D overview, ALARM IN 1~16SRD-1610/1610D/1630/1630D/1650/1650D/1670/1670D

overview

Part Names	Functions
AUDIO IN	Audio input signal port (RCA jack) and port for optional audio extension cable.
	SRD-1650/1650D/1670/1670D (Audio 5~16CH)
	SRD-850/850D/870/870D (Audio 5~8CH)
AUDIO OUT	Audio Signal Output Port (RCA jack).
VIDEO IN	Composite Video Signal Input Port (BNC type connector).
LOOP OUT	Used to transfer a video signal to other video devices.
VIDEO OUT	Composite Video Signal Output Port (BNC type connector).
VGA	VGA Video Signal Output Port.
HDMI	HDMI connector port.
eSATA 1/2	Ports used for external storage device connections. (SATA HDD)
NETWORK	NETWORK connector port.
USB	USB connector port.
RS-485	Used for RS-485 communication. (TX+, TX-, RX+, RX-)
	- ALARM IN 1~16(SRD-1610/1610D/1630/1630D/1650/1650D/1670/1670D) :
ALARM	Alarm Input port.
	- ALARM IN 1~8(SRD-830/830D/850/850D/870/870D) : Alarm Input port.
	- ALARM RESET IN : Alarm Reset port.
	- ALARM OUT 1~4 : Alarm Output port.
	A live screen output port, separate from the VIDEO OUT.
	SPOT 1 : Supports Single, 4-, 9-, 16-split, and Auto Sequence modes
	SPOT 2 : Supports Single, 4-split, and Auto Sequence modes (only for 5 ~ 8 CH).
SPOT	SPOT 3 : Supports Single, 4-split, and Auto Sequence modes (only for 9 ~ 12 CH).
	SPOT 4 : Supports Single, 4-split, and Auto Sequence modes (only for 13 ~ 16 CH).
	SRD-1670D/1670 : SPOT 1, 2, 3, 4
	SRD-870D/870 : SPOT 1, 2
	SRD-830/830D/850/850D/1610/1610D/1630/1630D/1650/1650D : SPOT 1
AC 100-240V~ IN	AC 100 ~ 230V (PAL)
	AC 110 ~ 220V (NTSC)

12_ overview