| Model |
TD-504A |
TD-508A |
TD-516A |
| Video Compression |
H.264 |
| Analog & HD TVI Video Input |
4 CH
BNC (1.0Vp-p, 75 Ω) |
8 CH
BNC (1.0Vp-p, 75 Ω) |
16 CH
BNC (1.0Vp-p, 75 Ω) |
| IPInput |
1CH (1080p@30fps) |
2 CH (1080p@30fps) |
2 CH (1080p@30fps) |
| Audio Compression |
G.711u |
| Audio Input / Two-way Audio In |
1 CH, RCA (2.0 Vp-p, 1K Ω) |
| HDMI / VGA Output |
1920 × 1080 / 60 Hz,1280 × 1024 / 60 Hz, 1280 × 720 / 60 Hz, 1024 × 768 / 60 Hz |
| Encoding Resolution |
Main stream: 1080P(non-real-time) / 720P / VGA / WD1 / 4CIF / CIF
Sub-stream: WD1(non-real-time) / 4CIF(non-real-time) / CIF / QCIF / QVGA |
| Frame Rate |
Main stream: 1/16 fps ~ Real time frame rate
Sub-stream: 1/16 fps ~ Real time frame rate |
| Video Bitrate |
32 Kbps-4 Mbps |
| Audio Output |
1-ch, RCA (Linear, 1KΩ) |
| Audio Bitrate |
64 Kbps |
| Dual Stream |
Supported |
| Stream Type |
Video, Video & Audio |
| Playback Resolution |
1080P / 720P / VGA / WD1 / 4CIF / CIF / QVGA / QCIF |
| Synchronous Playback |
4 CH |
8 CH |
16 CH |
| Remote Connections |
128 |
| Network Protocols |
TCP/IP, PPPoE, DHCP, DNS, DDNS, NTP, SADP, SMTP, SNMP, NFS, iSCSI, UPnP, HTTPS |
| SATA HDD |
1 SATA Interface |
2 SATA Interfaces |
| Hard Disk Capacity |
Up to 4 TB capacity for each disk |
| Network Interface |
1; 10M / 100M self-adaptive Ethernet interface |
1; 10M / 100M / 1000M
self-adaptive Ethernet |
| Serial Interface |
1; standard RS-485 serial interface, half-duplex |
| USB Port |
2x USB 2.0 |
| Alarm Input / Output |
4 / 1 |
8 / 4 |
16 / 4 |
| Power Source |
12V DC |
| Power Consumption (without hard disks) |
< 15W |
< 20W |
| Working Temperature |
14°F ~ 131°F / -10°C ~ 55°C |
| Working Humidity |
10% ~ 90% |
| Chassis |
1U Chassis |
80mm 1U chassis |
| Dimensions |
12.4 x 9.5 x 1.8 inches / 315 x 242 x 45mm |
15.0 x 11.4 x 1.9 inches /
380 x 290 x 48 mm |
| Net Weight |
3.3 lbs / 1.5 Kg |
4.4 lbs / 2 Kg |
