● fiber
Optical port: 1, 2 (1+1 optical backup)
Optical port rate: 1.25G
Optical fiber: single fiber and double fiber
Fiber Interface: FC/SC/ST/LC (SFP)
Wavelength: 850nm/1310nm multimode; 1310nm/1550nm single mode
No relay transmission distance: 20~120Km
Typical transmit power:
Single mode 1310/1550nm: ≥-9dBm
Multimode 850nm: -18dBm
Multimode 1310nm: -25dBm
Acceptable sensitivity range: -28dBm~- 40dBm
● Video interface
Video bandwidth: 5hz-10mhz
Signal level: 1Vp-p (typical value)
Sampling frequency: 16.4m
Signal impedance: 75 Ω
Physical interface: BNC (pal, NTSC, SECAM compatible)
Differential gain (DG): < 1.3% (typ.)
Differential phase (DP): < 1.3% (typical value)
SNR: > 63dB (weighted)
Protocol: IEEE 802.3 compliant, IEEE 802.1Q (VLAN)
Rate: 10/100M adaptive, full/half duplex fully adaptive
MAC address table: Can learn 4096 MAC addresses
Physical interface: RJ45 seat, support Auto-MDIX
(cross/straight line adaptive)
● 2/4line audio
Ad gain: 0dB;
Da gain: 0dB
Input impedance of 2 / 4 wire: 600 Ω
● Serial interface
Standard:
EIA/TIA-232 RS-232 (ITU-T V.28)
EIA/TIA-422 RS-422 (ITU-T V.11)
EIA/TIA-485 RS-485 (ISO/IEC8284)
interface:
RS-422: TxD+ TxD- RxD+ RxD-
RS-485 4 wires: TxD+ TxD- RxD+ RxD-
RS-485 2 wires: A(对应TX+) B(对应TX-) Ground
RS-232: RXD TXD Signal Ground
● Dry contact
Output interface type: signal relay dry contact output
Response time: signal relay dry contact output: < 1.2ms
Switch signal: signal relay dry contact output 36VDC / 0.5A
Maximum switching frequency: 50Hz
● Electrical and mechanical properties
System power supply: ac180v ~ 260V; DC – 48V; DC + 24V
(dual power redundant backup is supported)
Power consumption: ≤ 10W
Appearance structure: 485 (L) X200 (W) x45 (H) mm 19 inch 1U rack type
Weight: 3.8kg/set
● Working environment
Working temperature: -10 ° C – +60 ° C
Storage temperature: -40 ° C – +85 ° C
Working humidity: 0% – 95% (no condensation)
MTBF: >100,000 hour