Because RFL™ and Hubbell® have a policy of continuous product improvement, we reserve the right to change designs and specifications without notice.
Figure 12-2. E1 Timeslots
30 31 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30
31 0
E1
Line
One E1 Frame
E1
timeslot
Frame
Sync/FDL
B channels
carrying
voice info
D Channel:
Signaling
for all
B channels
B channels
carrying
voice info
One
multiframe
One E1
frame
These E1 frames each contain
voice and signaling information.
Each frame contains the
signaling for two channels
(transmitted in channel 16).
E1 frame used for voice
synchronization only
.
Figure 12-3. E1 Multiframe
IMUX 2000E1 RFL Electronics Inc.
January 23, 2004 12-2 (973) 334-3100