Guangzhou Yinxun Comm.Tech.Co.,ltd
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Payment Terms: | T/T,WU;moneygram |
Place of Origin: | Guangdong, China (Mainland) |
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2. Functional Features
a) provide 30 channels of optional subscribers interfaces of various types to facilitate the access of various services;
b) The voice interface supports caller ID display;
c) CCB payphone application with polarity reversal;
d) It directly provides 2M channel for transmission;
e) Perfect indications of status are available to facilitate maintenance and management;
f) With small size, attractive appearance, and easy for installation and operation.
G.703-E1 Interface Confoms to the recommendation of ITU G.703/G.704; Nominal Bit Rate: 2048kbit/s Bit Rate Fault Tolerant: +102.4bit E1 Line Code: HDB3 Impedance: 75Ω or 120Ω | Subscriber Interface(FXS) Impedance: 600Ω Insertion Loss: -3±0.75dB Frequency Characteristic: 300~3400Hz(-0.6~+3dB) Weighted Noise: ≤63.7dBmop Crosstalk Attenuation: ≥65dB Loop Impedance: ≤1800Ω |
Subscriber Interface(FXO) Impedance: 600Ω Insertion Loss: -3±0.75dB Frequency Characteristic: 300~3400Hz(-0.6~+3dB) Weighted Noise: ≤63.7dBmop Crosstalk Attenuation: ≥65dB Loop Impedance: ≤1800Ω | V.24/RS232 Interface Data and clock level conform to the recommendation of V.28 Synchronous Data Rate: 64Kbps Asynchronous Data Rate : 0~19200bps |
2/4 wire Audio Interface Coding mode: ITU-T G.711A Frequency Range: 300~3400Hz 2 wire Input Relative Level: 0~ -5dBr Output Relative Level: -2~ -7dBr 4 wire Input Relative Level: -14dBr Output Relative Level: +4dBr | V.35 Interface type: V.35 synchronous Rate: Nx64Kb/s(N =1~30) Clock: DCE |
Ethernet interface Compatible with IEEE802.3 Rate of Local Area Network Interface: 10/100Base_T Rate of Wide area network interface: n×64k (n=1-30)Support simplex mode, duplex mode, full-duplex mode & tranparent mode. | Others 19 inch 1U EIA chassis LED indicators indicates the working status of the system Input Voltage: -48V DC Acceptable dynamic Voltage: -36V ~ -72V Input current: < 1A Ambient Temperature: ≤50℃ Relative Humidity: ≤90%RH |