1U Modular Fiber Optical Access Device

1. Summary
Developed by Guangzhou Yinxun, this product is a device for comprehensive services of broadband access. With optic fiber link, this product can provide 4 channels of 10/100Base_T data interfaces,4 channels of 2Mb/s(E1) and 16 subscriber interfaces, and the said subscriber interfaces include FXO, FXS, 2/4 wire audio interface, 2/4 wire EM, RS232/V.24, magnet telephone, hot-line, V.35.etc.The slots from 1 to 16 are of universal types allowing hybrid insertion of optional subscriber interfaces, which make it possible to meet users' varied requirements for services of traditional narrowband and popular broadband access.

2. Function Features
a) Diversified interfaces for varied services of broadband and narrowband access
b) Provide 4 channels 10/100Base_T interface, 4 channels of E1 interfaces and 16 channels of optional subscriber
interfaces;
c) The voice interface supports caller ID display;
d) CCB payphone application with polarity reversal;
e) Perfect indications of status are available to facilitate maintenance and management
f) With small size and compact appearance, and easy for installation and operation.

3. Working Conditions
Working temperature: 0℃～40℃
Relative humidity: ≤90% (25℃)

4. Power supply
Input Voltage: -48V
Allowable Voltage Fluctuation : -36V～-72V
Input current: < 1A

5.Supported Subscriber Interface Modules
Ø FXO
Ø FXS
Ø 2 wire audio interface/2 wire E&M interface
Ø 4 wire audio interface/4 wire E&M interface
Ø RS232/V.24 asynchronous data interface
Ø RS232 synchronous data interface
Ø RS422 data interface
Ø RS485 data interface
Ø Hot-line phone interface
Ø Magnet telephone interface
Ø V.35 interface(n*64K bandwidth)
Ø V.21/V.22 interface
Ø G.703 64Kb/s synchronous data interface
Ø 10/100Base_T Ethernet interface(100M/S share)
Ø E1/2M interface



6.Scope of Applications
This integrated multi-service transmission device is suitable for special network accesses of power station, airport,government,military and video conferencing or video surveillence.