IP telephone transmitter YKD01-8 supermarkets, living quarters, the military government units Individual unit for the telephone transmission equipment.The equipment used by ultra-large-scale integrated circuit design, appearance conversations with easy installation and maintenance-free. stable performance advantages apply to all major telecom providers, and government enterprises.
| Basic configuration and features |
◆ Provide 6 E1 digital interface
◆ Provide 8-channel telephone interface.
◆ provide a RS232 interface (optional).
◆ Speech Interface support CND and anti-Signals.
◆ On small size, looks beautiful, easy installation and operation.
◆ On improving the status display, easy maintenance and management.
◆ On adapt to a variety of environmental -48VDC or 220VAC power supply. |
| Networking Application |
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| Main Technical Indexes |
Optical Interface
a） Bit rate：155.52Mbps±20ppm
b） Code pattern : NRZ+ Scramble
c） transmission optical power：> -5dB ～ -17dB
d）Receiver sensitivity：> -36dB
E1 Interface
Nominal E1 Interface, Conform to ITU-T G.703 G.704 suggestion
a) Bit rate：2048Kbps±50ppm
b) Code pattern ：HDB3
c) Interface impedance ：75Ω
d) Interface Characteristics： Conform to G.703、G.742and G.823 standard
e) Frame Structure ：no frame structure
RS232 Interface
a)Interface type ：V.24
b)Rate：0–19.2Kbps |
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User and interface loop
Speech Interface : speech characteristics with the<< Ministry of Posts and total telephone exchange switch equipment Technology Standards>>
a) Impedance ：600Ω
b) Insertion loss ：-3±0.75dB
c) Frequency：300～3400Hz(-0.6～+3dB)
d) Noise：≤63.7dBmop
e) crosstalk attenuation：≥65dB
f) Subscriber Line loop resistance of less than 3K Ω (walkie-talkie)
g) Feed voltage：48V；
h) Feed current：20~50mA；
i) 15Vringing： plus or minus 15V AC90
External dimensions
Standard 19-inch 1U structure ：438×215×45mm
Power supply
220V or -48V |
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