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Digital Video Recorders Quick Guide
Bosch Digital Video Recorders DVR1A DVR1C DVR4C Divar Divar MR DiBos Micro DiBos Rackmount
System
Operating System Embedded Embedded Embedded Embedded Embedded Windows XP Embedded Windows XP Embedded
Rack Mountable No No No Yes Yes Yes Yes
SDK Available No No No Yes No HTML Interface HTML Interface
Warranty 3 Years 3 Years 3 Years 3 Years 3 Years 3 Years 3 Years
Video
Input Channels 1 1 4 6, 9, 16 8, 16
Analog: 6, 12
IP: 8
Analog: 6, 12, 18, 24, 30
IP: 16, 32
Output
Looping Video Yes Yes Yes Yes Yes Yes Yes
Composite Outs 1 1 1 2 2 2 2
VGA No No No No 1 1 1 (plus optional 2nd)
Spot Monitor No No No Yes 1 2 2
Audio
Input Channels 0 2 4 n/a 4, 8
2, 4
(plus 8 from IP)
2, 4, 6, 8, 10
(plus up to 32 from IP cameras)
Output Channels 0 2 4 n/a 1 1 1
Compression Type n/a ADPCM ADPCM n/a ADPCM2 G.726 G.726
Sample Rate n/a 8 KHz 8 KHz n/a 8 KHz 32 KHz 32 KHz
Synchronous Audio n/a Yes No n/a Yes No No
Associate Multiple Cameras to 1 Audio n/a n/a No n/a Yes Yes Yes
Alarms
Inputs 1 1 4 6, 9 or 16 (one per video channel) 8, 16 12 32
Relay Outputs 1 1 4 4 4, 8 12 16
Call Up Pre-position on Dome Cameras n/a n/a n/a Yes No Yes Yes
Increase Frame Rate on Alarm Yes Yes Yes Yes Yes Yes Yes
Simultaneous normal and event recording Yes Yes Yes Yes No Yes Yes
Multiple Camera Linking on Alarm Event n/a n/a Yes No No Yes Yes
Notification via e-mail No No Yes No Yes Yes Yes
Notification to Remote PC No No Yes Yes Yes Yes Yes
Pre-alarm Up to 220 Seconds Up to 220 Seconds Up to 30 Seconds 30 Seconds Up to 60 Seconds Yes Yes
Alarm Time Unlimited Unlimited Up to 120 Seconds Up to 60 Seconds Up to 10 Minutes Yes Yes
Motion Detection No No Yes Yes Yes Yes Yes
Recording
Compression
Video M-JPEG M-JPEG MPEG-4 Wavelet MPEG-4 MPEG-4, JPEG MPEG-4, JPEG
Software or Hardware Hardware Hardware Hardware Hardware Hardware Video Hardware, Audio Software
Frame Rate
(IPS)
PAL 50 IPS @ CIF 50 IPS @ CIF 100 IPS @ CIF 50 IPS @ 2CIF 400 IPS @ CIF 75/150 @ CIF 75/150/225/300/375 @ CIF
NTSC 60 IPS @ CIF 60 IPS @ CIF 120 IPS @ CIF 60 IPS @ 2CIF 480 IPS @ CIF 90/180 @ CIF 90/180/270/360/450 @ CIF
IPS per
Camera
PAL
25 IPS @ CIF (Normal)
50 IPS @ CIF (Alarm)
25 IPS (Normal)
50 IPS (Alarm)
25 IPS @ CIF
6 Ch.: 8.3 IPS @ 2CIF
9 Ch.: 5.0 IPS @ 2CIF
16 Ch.: 3.1 IPS @ 2CIF
25 IPS @ CIF
25 Per Camera Max
150 on a 12 Channel Unit @ CIF
25 Per Camera Max
375 on a 30 Channel Unit @ CIF
NTSC
30 IPS @ CIF (Normal)
60 IPS @ CIF (Alarm)
30 IPS @ CIF (Normal)
60 IPS @ CIF (Alarm)
30 IPS @ CIF
6 Ch.: 10 IPS @ 2CIF
9 Ch.: 6.5 IPS @ 2CIF
16 Ch.: 3.75 IPS @ 2CIF
30 IPS @ CIF
30 Per Camera Max
180 on a 12 Channel Unit @ CIF
30 Per Camera Max
450 on a 30 Channel Unit @ CIF
Recorded
Video
Resolution
PAL 352 x 288 352 x 288 352 x 288 720 x 288 352 x 288/704 x 288/704 x 576 CIF/2CIF/4CIF Analog and IP Cameras
NTSC 352 x 240 352 x 240 352 x 240 720 x 240 352 x 240/704 x 240/704 x 480 CIF/2CIF/4CIF Analog and IP Cameras
Individual Camera Adjustment (IPS, Quality) n/a n/a No Yes Yes Yes Yes
Schedule Recording Modes Daily/Weekday/Weekend/Specific Day Day/Night/Weekend Day/Night/Weekend/Specific Day Day/Week/Specific Day Day/Night/Weekend/Holiday/Specific Day
HDD Overwrite Warning No No Yes No Yes Yes Yes
Recording
Times
Best Quality/Highest Res.,
3 IPS Continuous, 50%
Motion, Very Busy Scene
(Outdoor), No Audio
6 Days (80 GB) @ CIF 12 Days (160 GB) @ CIF
7 Days (80 GB) @ CIF
13 Days (160 GB) @ CIF
26 Days (320 GB) @ CIF
50 Days (600 GB) @ CIF
6 Ch.: 5 Days (320 GB) @ 2CIF
9 Ch.: 4 Days (320 GB) @ 2CIF
9 Ch.: 7 Days (600 GB) @ 2CIF
16 Ch.: 4 Days (600 GB) @ 2CIF
16 Ch.: 6 Days (1000 GB) @ 2CIF
8 Ch.: 9 Days (500 GB) @ 4CIF
8 Ch.: 18 Days (1000 GB) @ 4CIF
16 Ch.: 9 Days (1000 GB) @ 4CIF
16 Ch.: 18 Days (2000 GB) @ 4CIF
6 Ch.: 10 Days (400 GB) @ 4CIF
12 Ch.: 5 Days (400 GB) @ 4CIF
6 Ch.: 19 Days (750 GB) @ 4CIF
12 Ch.: 10 Days (750 GB) @ 4CIF
18 Ch.: 9 Days (1000 GB) @ 4CIF
24 Ch.: 10 Days (1600 GB) @ 4CIF
30 Ch.: 8 Days (1600 GB) @ 4CIF
Normal Quality/Standard
Res., 3 IPS Continuous,
50% Motion, Very Busy
Scene (Outdoor), No Audio
8 Days (160 GB) @ CIF 16 Days (160 GB) @ CIF
20 Days (80 GB) @ CIF
39 Days (160 GB) @ CIF
78 Days (320 GB) @ CIF
146 Days (600 GB) @ CIF
6 Ch.: 14 Days (320 GB) @ 2CIF
9 Ch.: 9 Days (320 GB) @ 2CIF
9 Ch.: 17 Days (600 GB) @ 2CIF
16 Ch.: 10 Days (600 GB) @ 2CIF
16 Ch.: 16 Days (1000 GB) @ 2CIF
8 Ch.: 36 Days (500 GB) @ CIF
8 Ch.: 72 Days (1000 GB) @ CIF
16 Ch.: 36 Days (1000 GB) @ CIF
16 Ch.: 72 Days (2000 GB) @ CIF
6 Ch.: 45 Days (400 GB) @ CIF
12 Ch.: 22 Days (400 GB) @ CIF
6 Ch.: 86 Days (750 GB) @ CIF
12 Ch.: 43 Days (750 GB) @ CIF
18 Ch.: 38 Days (1000 GB) @ CIF
24 Ch.: 46 Days (1600 GB) @ CIF
30 Ch.: 37 Days (1600 GB) @ CIF