So far my memory  goes...i remember this :

a)      Multichannel E1 & Normal E1
A:A sum  of differents  speeds to have the total  you are paying for.  It is
similiar  to the Letter B.

b)      Fractional E1  & Channelized E1
B:With the  30 channels.  You have a portion of the 30 channels  this  means
that you have 256Kbps  or  a ?fraction? of the 2 MB. it all depends  on how
much you want to spend.

c)      Clear Channel & unchannelized E1
C:Clear channel=  without compression .Without  channels in it.
All BW available.
 
Line  CH    Speed

E1      30      2.048
E2      120     8.448
E3      480     34.368
E4      1.920   139.264
                
T1      24      1.544
T2      96      6.312
T3      672     44.736
T4      4.032   274.176 

i expect this may help a little...:-)

Regards,
Gabriel

Gabriel Barrios
INVENSYS PROCESS SYSTEMS VENEZUELA 
T: 58-212-2675868 ext. 105
F: 58-212-2670964
M: 58-416-8.235171
C: [EMAIL PROTECTED]


-----Original Message-----
From: amarjeet singh [mailto:[EMAIL PROTECTED]]
Sent: Wednesday, January 02, 2002 1:25 AM
To: [EMAIL PROTECTED]
Subject: RE: E1 Terms [7:30645]


Dear group,
         I am confused for some of the terms related to E1 lines. Can some
one tell me the differences between these  terms.

a)      Multichannel E1 & Normal E1
b)      Fractional E1  & Channelized E1
c)      Clear Channel & unchannelized E1



Thanx in advance

Amar




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