YKD01-30 telephone optical transmitter modular design, 30 Main Board provided for business users Caowei  arbitrary matching 1-30 telephone, Sharing the road four 100M Ethernet interface.The equipment used by ultra-large-scale integrated circuit design, appearance conversations with easy installation and maintenance-free. stable performance advantages of IP in supermarkets, living quarters, the military government units, cafes, bars and other units so.
| Basic configuration and features |
◆ Provide one line with the rate of 10/100M Ethernet interface.
◆ Provide the channel with 1-30 telephone interface (available on the business
needs of different users different ones matching the telephone interface).
◆ 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.
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| 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
Optical Ethernet Interface
a) Interface：10/100Base-Tx；
b) Interface specification： conform to IEEE-802.3u standard
c) Interface rate: 10/100M self-adapting
d) Interface connector ：RJ-45.
Power supply
AC 220V or DC -48V |
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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) 15V ringing： plus or minus 15V AC90
External dimensions
Standard 19-inch 1U structure:438×215×45mm |
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