紧急求助关于Multiplexer

spectrum

老大们,帮个忙. 有个中东国家的做电力工程,用的是光网络.需要一个Multiplexer,参数如下,需要6台,请问拿位老大可以帮忙推荐一下对应的型号或者帮忙填写一下技术参数?不胜感谢啊

Tele Protection And Telecommunication System
Optical line terminal (OLT/STM-1)
- Functions		ITU – T Rec. G. 783 ITU-T Rec. G .703 ITU-T Rec. G.707 ITU-T Rec G.783,G.811 G.812,G.813 ITU-T Rec G783 ITU-T Rec G958
- PDH to SDH electrical Interface
- MUX structure
- Timing , Synchronization
- Jitter and wander for SDH Mux.
- Jitter and wander for SDH Line.
- Craft interface	VDC VDC	ITU-T Rec G.773 ITU-T Rec G.985
- Optical Safety
- Min. receive power @ BER 10 -10
- - Power supply rated § Range		48 40 - 60
- Primary Multiplexer
- Comply with ITU-T Rec. G. 737
- Add / drop.	kbps	64 or multiple of 2.4 kbps. 2048 ± 50 ppm ITU – T Rec G.711 ITU-TRec. G.711 ITU-T Rec. G.714
- - Bit rate	kbps
- PCM Requirements
- Frame Structure
- Encoding Law
- Performance at Voice frequencies
- Alarms - Power failure
- Loss of incoming signals 2048 kbps
- Loss of frame alignment
- Alarm indication from remote Mux