Speco Technologies 4WM, 16WM Pin Definition of Alarm I/O & RS-485, and Audio In, Power On the DVR

Pin Definition of Alarm I/O & RS-485, and Audio In

Alarm I/O & RS-485:

DVR-4WM:
Pin	Definition	Pin	Definition	Pin	Definition
1	Alarm Out Open	5	Alarm In 1	9	Alarm Out Close
2	Alarm Out COM	6	Alarm In 2	10	GND
3	RS485 D+	7	Alarm In 3	11	GND
4	RS485 D−	8	Alarm In 4	12	GND

Pin Definition

13GND

14GND

15GND

15pin D-sub connector I/O cable for 4TL: Speco # DVR4TLALMCBL

DVR-8WM & DVR-16WM:

Pin	Definition	Pin	Definition	Pin	Definition
1	Alarm Out Open	10	Alarm In 5	19	Alarm In 10
					(DVR-16WM)
2	Alarm Out COM	11	Alarm In 6	20	Alarm In 11
					(DVR-16WM)
3	RS485 D+	12	Alarm In 7	21	Alarm In 12
					(DVR-16WM)
4	RS485 D−	13	Alarm In 8	22	Alarm In 13
					(DVR-16WM)
5	Reserved	14	Alarm Out Close	23	Alarm In 14
					(DVR-16WM)
6	Alarm In 1	15	Reserved	24	Alarm In 15
					(DVR-16WM)
7	Alarm In 2	16	Reserved	25	Alarm In 16
					(DVR-16WM)
8	Alarm In 3	17	Reserved
9	Alarm In 4	18	Alarm In 9 (DVR-16WM)

25p D-sub I/O cable for 8/16TL: Speco # DVR816TLALMCBL

Audio In (DVR-8WM & DVR-16WM only):

Pin	Definition	Pin	Definition	Pin	Definition
1	Audio 1	10	GND	19	Audio 12 (DVR-16WM)
2	Audio 3	11	GND	20	Audio 14 (DVR-16WM)
3	Audio 5	12	GND	21	Audio 16 (DVR-16WM)
4	Audio 7	13	Reserved	22	GND
5	Audio 9 (DVR-16WM)	14	Audio 2	23	GND
6	Audio 11 (DVR-16WM)	15	Audio 4	24	GND
7	Audio 13 (DVR-16WM)	16	Audio 6	25	Reserved
8	Audio 15 (DVR-16WM)	17	Audio 8
9	GND	18	Audio 10 (DVR-16WM)

25p D-sub Audio cable for 8/16TL: Speco # DVR816TLAUDCBL

Power On the DVR

Please follow the proper power on procedures to avoid damaging the DVR.

•Connect all necessary components, e.g. monitor and cameras, before powering the DVR.

•Check the type of power source before connecting the power adaptor to the DVR. The acceptable power input is between AC110V ~ AC240V.

4