СТМ-4/1 Компактный мультиплексор SDH + 4E1,2Ethernet, 30CH

Products Overview---------------------------------------- Centralized, single-type-specific integrated service access multiplexer adopted large-scale integrated circuits, single-chip complete the signal processing of the optical port,E1 interface,the subscriber interface, mainly applied for the conversion from optic port (or E1 port) to the various types of data and voice interfaces. Intigrating of PCM and PDH,or PCM and SDH,the super compatibility of SPC10 Series solve the voice and broadband data services as well.Used in conjunction with PBX, it can achieve long-distance Telephone Number Service.They are widely applicable in integrated access of voice, data and images in telecommunications, electric power, finance, transportation, public security, army government,enterprises and other departments. Features1Clock mode: master clock,E1(optional function) clock, subscriber clock, etc2Height 1U(6U),width 19-inch,fixable arbitrarily more than 20 kinds of interfacecards364kbps-rich user interfaces: FXO, FXS, EM2/4-wire audio interface,Ethernet interface,V.35 data interface, hot line interface, magnetic interface, 2100Hz carrier magneticcard ,V.24/V.28 data interface(RS232/RS485), and V.24 interface with data and clocksynchronous transmission, ITU 64kbps co-directional data interface(G703)4Consummate function control switch and the alarm indicator of sound and light on the panel5Powerful network management platform6Network management interfaces: RS-232 serial interface and 10/100Base-T Ethernet7With Caller ID and polarity reversal signal8With the optical interface transmission, the line speed of Ethernet interface can reachfast, providing transparent transmission of E1 interface and user-friendly to expand9ADM features a powerful and flexible allotment of time slots in 2M10Power: AC and DC optional11The transmission of single/dual fiber, single /multi mode, short-distance/long-distancemode can be flexibly switched, no need to replace devices12The functional card is designed in modules, and interfaces can be plugged or pulledinto different combinationsEg: uplink E1 interface: 8 channel FXO/FXS + 4 channel Ethernet10/100M+1 v.35(N*64Kbps)13Optical interface supports 1+1 double optical interfaces protection mode (in which oneis backup) compatible with single mode, no need to replace devices14Optical module supports hot pull and plug15By using the switches on the front board, uplink interface can be changed freely fromE1(G.703)to PDH or SDH optical interface, no need to change devices16All the interfaces have the function of protection against lightening strike17Greatly facilitate the daily work of installation and maintenance troubleshooting