this is my DVR. yoko - ryk9220
Features
Highlighted feature:
H.264 compression
Up to 100FPS
Pentaplex
USB mouse, IR remote controller, client viewer
Intuitive GUI
1 channel audio recording and playback
Supports 1 SATA HDD
Special Feature:
Data backup: USB devices, network
Event triggered with email notification: motion detection, alarm, video loss
Support Internet Explorer with same GUI as DVR site
Key Lock function
CMS supports up to 16 DVRs
3G/GPRS mobile phone monitoring
Specifications
Video System: PAL switch
Video Input: 4CH BNC
Video Output: 1CH BNC
SPOT Output: 1CH BNC
VGA Output: 1024x768 (optional)
Audio Input: 1CH RCA
Audio Output: 1CH RCA
Audio Backup: YES
Sensor: 4 input / 1 output
RS-485: Pan/Tilt/Zoom camera
USB Port: 1 port
Mouse: USB mouse
IR Remote Controller: YES
HDD Support: SATA HDD x 1 (Max. 1TB)
Display Division: 1,4
GUI: YES
Title: 14 characters
Digital Zoom: 2X
Video Compression: H.264
Resolution: 720x576, 720x288, 360x288 (PAL)
Frame Rate: 25, 50, 100 (PAL)
Quality: Highest, High, Normal, Low, Lowest
Record Mode: Manual, Schedule Event(motion detection/sensor)
Pre-Alarm Recording: 16MB (10 sec)
Post-Alarm Recording: 1-999 sec
Motion Detection: 16X12 (sensitivity 1~15)
Search Mode: Time, Event
Playback Speed: fast forward/backward 2X/4X/8X/16X/32X/64X slow forward/backward
1/2X,1/4X,1/8X,1/16X play/pause
Backup Mode: USB flash driver / Network
Network Compression: H.264
Internet Explorer: YES
Network Users: 4
Remote Notification: Email message
Service: TCP/IP, SMTP, DHCP, DDNS, PPPoE
Daylight Saving: YES
Password: 5 users including 1 administrator user authority selectable
Key Lock: YES
Firmware Update: USB device
Dimension: 188mm (W) x 54mm (H) x 209mm (D)
Power Source: DC12V
i think this is the MANUAL but no default port discuss and it is chinese.
http://www.firstvideo.com.tw/download/dvr/ryk-9220/ryk-9220%20manual%20v10.pdf