stm is stand for socaiety transportation of Montreal
STM-0= 21 E1 lines STM-1=(64x1) - 1 = 63 E1 lines STM-4=(64x4) - 4 = 252 E1 lines STM-16=(64x16) - 16 = 1008 E1 lines STM-64=(64x64) - 64 = 4032 E1 lines and so on
There are 63 E1 in one STM 1
STM-4 have the data rate 622.08Mbps. And STM-4 support 269 E1's.
One STM-4 support Maximum 268 E1's.
SDH Radio can be use in ring configuration, point to point, add drop and can complement fiber optic ring. For add drop configuration, ADM need to be installed. Just imagine SDH radio a wireless fiber with STM-1 x n capacity.
As of July 2014, the market cap for STMicroelectronics N.V. (STM) is $7,749,002,565.00.
There are 63 e1's in sdh STM-1 = 63 x E1; STM-4 = 63 x 4 E1; STM-16 = 63 x 16 E1; STM-64 = 63 x 64 E1.
Information on the schedules and timetables for the STM bus network can be found on the STM website. This gives the user an easy way of seeing what the timetable is and also the opportunity to print out their own personalized timetable.
In 1981 the Scanning Tunneling Microscope (STM) was invented. The STM has ultrahigh resolution and can image single atoms.
It looks at small things
Synchronous Transport Module (STM) currently has levels 1, 4, 16, 64, 256 and 1024 where each level corresponds to a specific bit rate. The STM frame is considered as the basic transmission format for the Synchronous Digital Hierarchy (SDH) technology. These STM frames are byte-oriented arranged in a row and column manner.