|  | KDM2901-S-G2 | 
 
  | Capacity | 
 
  | Access | 300
  Channel | 
 
  | Stack | 32
  devices per level, up to 3000 Channel (depend on root vms) | 
 
  | Cascade | 8-level,
  up to 20000 Channel (depend on root vms) | 
 
  | Live Viewing | 
 
  | Multi Screen Display | up
  to 64 mutil-window | 
 
  | E-Map | Live
  Viewing in E-Map | 
 
  | Function | E-PTZ
  / Scheme / Polling / TV-Wall (optional with decoder) | 
 
  | Recording | 
 
  | Mode | Manual
  / Continuous / Schedule / Event (Pre / Post) | 
 
  | Event Trigger | Alarm
  input / Video lost / Motion Detection | 
 
  | Search & Playback | 
 
  | Search Mode | Date
  and time (Calendar) / Event | 
 
  | Playback Mode | Single
  Playback / Multi Playback / Synchronize Playback | 
 
  | Function | Slow
  forward / Fast forward / Loop / Single Frame / E-PTZ | 
 
  | Storage | 
 
  | External | IP
  SAN (iSCSI), up to 31 x  IP SAN | 
 
  | Video | 
 
  | Compression | H.265
  / H.264 / MPEG4 | 
 
  | Image Resolution | QXGA,
  1080p, UXGA, 960p, 720p, XGA, SVGA, D1, CIF, QCIF | 
 
  | Frame Rate | 1
  ~ 30fps | 
 
  | Bitrate | 64kbps
  ~ 8Mbps | 
 
  | Audio | 
 
  | Compression | G.711a
  / G.711u / ADPCM / G.722 / G.722.1c / AAC-LC | 
 
  | Bitrate | 32kbps
  ~ 64kbps | 
 
  | Alarm | 
 
  | Alarm Triggers | Alarm
  input / Video lost / Motion Detection / Disk alarm | 
 
  | Alarm Events | Snapshot
  / Recording / PTZ preset / Alarm out / Buzzer / Link to Client / Alarm
  caption | 
 
  | System | 
 
  | User Management | Super
  admin / Admin / User | 
 
  | Log Management | User
  login / User operation / Device / Alarm / Backup | 
 
  | System Requirements (Hardware) | 
 
  | CPU | Min:
  Intel Core i3 Recommended: Inter Core i5
 | 
 
  | RAM | Min:8GB Recommended: 16GB
 | 
 
  | HDD | 1TB | 
 
  | System Requirements (Software) | 
 
  | Supported Operating System | Centos
  6.5 64-bit |