Specification :

I. Introduction
The experiment kit is tightly close to such teaching syllabus as Optical Fiber Communication Principle, and is designed with the reference of the following textbooks: Optical Fiber Communication System and Optical Fiber Communication Engineering. The experiment content is abundant, which could fully meet the teaching requirement of optical fiber communication courses on relevant majors among colleges and universities.
Æ The experiment kit adopts entire board design, optic devices are protected by glass over, SMT, and module components are full symmetrical.
Æ It has 3 independent optic transceiver units of 850nm, 1310nm, 1550nm at same time, experiment content is flexible, abundant, and WDM experiment can be accomplished in only 1 set of kit.
Æ It has such function modules as APC automatic optic power control, error code monitoring, easy optic power meter.
Æ It has CMI ( 1B2B) , 5B6B, 5B1P, 5B1C, HDB3 coding and decoding module and scrambling and descrambling module.
Æ It also adopts big scale CPLD platform, which includes lots of secondary development experiments.
Æ It includes such signal optic fiber transmission channels as analog, digital, computer data, image, speech and etc.

II. Performance Parameters
Æ AC/ DC Power Supply
Input: AC: 220V± 10% 50± 5Hz
Output: DC: + 5V/ 1A, + 12V/ 0.5A, -12V/ 0.5A, -5V/ 0.5A
Æ Analog Signal Source
Sine wave: 1 KHz, 2 KHz, amplitude 0— 5V continuously adjustable
Triangular wave: 1 KHz, 2 KHz, amplitude 0— 5V continuously adjustable
Æ Digital Signal Source
Square wave: frequency is 2.048 MHz, 256 KHz, 64 KHz, 8 KHz, duty ratio 50± 5%
Base-band signal: rate is 2.048 Mbps, 256Kbps, 64 Kbps’ 24-bit digital signal ( it can set arbitrarily)
Æ Optic Transceiver Module
1310 nm optic transmitting module: working rate f 155Mbps, center wavelength 1310± 20nm, optic spectrum widthf5nm, working current f 35mA, output power 400¼ W ( typical value) , optic fiber characteristic: single-mode FC-type interface.
1310 nm optic receiving module: high responsivity InGaAs flat structure PIN detector, working wavelength 1100-1650nm, input optic powerf3dBm, 3dBm band width 2GHz, responsivity 0.85A/ W ( typical value) , optic fiber characteristic: single-mode FC-type interface.
1550 nm optic transmitting module: working rate f2.5Gbps, center wavelength 1550± 20nm, optic spectrum widthf5nm, working current f 35mA, output power 500¼ W, optic interface: FC-type.
1550 nm optic receiving module: high responsivity InGaAs flat structure PIN detector, working wavelength 1100-1650nm, input optic powerf3dBm, 3dBm band width 2GHz, responsivity 0.85A/ W ( typical value) , optic interface: FC-type.
850 nm optic transmitting module: working rate f 155Mbps, center wavelength 850± 50nm, optic spectrum widthf30nm, working current f 70mA, output power f250¼ W, optic interface: multi-mode ST-type.
850 nm optic receiving module: working wavelength 800-950nm, responsivity 0.8A/ W ( typical value) , optic interface: multi-mode ST-type.
Æ Electronic Terminal Module
Large-scale programmable logic device: EPM3256
Æ Optic Terminal Module
Large-scale programmable logic device: EPM3256
Æ Dimension: 40mm× 300mm× 110mm