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JUNOS 10.1 Network Interfaces Configuration Guide
NOTE: If you commit the interface name but do not include the
configuration, the Channelized E1 PIC behaves like a standard E1 PIC, and none of
the DS0 functionality is accessible.
There are 32 time slots on an E1 interface; however, time slot 0 is reserved. You can
designate any combination of time slots. To configure ranges, use hyphens. To
configure discontinuous time slots, use commas. Do not include spaces.
Table 46 on page 514 shows the ranges you can specify.
Table 46: Ranges for Channelized E1 Configuration
The theoretical maximum number of channel groups possible per PIC is
10 * 24 = 240. This is within the maximum bandwidth available.
NOTE: NxDS0 time slots configured on either a channelized STM1 IQ or IQE interface
or channelized E1 IQ or IQE interface are numbered from 1 to 31 (0 is reserved),
while fractional E1 time slots range from 2 to 32 (1 is reserved).
The FPC slot range depends on the router. For a routing matrix, the range is from 0
through 31. For M40, M40e, M160, M320, M120, and other T Series routers, the
range is from 0 through 7. For M20 routers, the range is from 0 through 3. For M10
and M10i routers, the range is from 0 through 1. For M5 and M7i routers, the only
applicable value is 0.
514
Configuring Channelized E1 Interfaces
ce1 {
e1 link-number {
channel-group group-number;
timeslots time-slot-range;
}
}
}
}
Item
Option
FPC slot
slot-number
PIC slot
pic-number
E1 link
link-number
DS0 channel group
group-number
Time slot
time-slot-range
[edit chassis]
Range
0 through 7
(see note below)
0 through 3
0 through 9
0 through 23
0 through 31 (with time slot 0 reserved)
(see note below)
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