Speco Technologies DVR-16/IP - Manual (Page 40)

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RS-485 (RJ11)
The default RS-485 port connector is RJ11 6P6C connector.
RJ11 Cable 6P6C pin definition:
Pin No. Definition Direction
1 - -
2 - Reserved
3 GND Ground
4
DA (D +) I/O
5 DB (D −) I/O
6 - -
10. Specification
Model Name DVR-16/IP
Compression Method Wavelet
Video System NTSC PAL
Resolution-Live Video 720 x 480 pixels 720 x 576 pixels
Resolution-Recorded 720 x 240 pixels 720 x 288 pixels
Recording Rate Up to 60 PPS Up to 50 PPS
Recording Device Hot swappable HDD
Video Export CD-RW
Recording Quality Supper / High / Normal / Low
Video Input BNC x 16, 1.0 Vp-p, 75 ohm.
Video Looping Through BNC x 16, 1.0 Vp-p, 75 ohm.
Main Monitor Output BNC x 1, S-VHS x 1, 1.0 Vp-p, 75 ohm.
Call Monitor Output BNC x 1, 1.0 Vp-p, 75 ohm.
Alarm Input x 16, DSUB 37 pin male (TTL level)
Alarm Output x 1, DSUB 37 pin male, 2.0 A / 24 V
Network Interface Ethernet (10 Base-T) (Optional function)
Remote Control RS-485 DSCP
Playback Speed Fast Forward / Rewind (x1~x8), picture by picture
Zoom Yes
Power Supply
DC 12 V / 4 A
Title 12 characters
Alarm List Up to 255 events
Dimensions 432 x 44 x 400mm (W x H x D)
Operating Temperature 0~40°C