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MX410/MX412 System Manual
Drop and Insert Application
61189500L1-1B
PRELIMINARY
3-7
Drop and Insert Application
The following applies to Remote Site #1 shown in 
. In the Drop and Insert Appli-
cation DS0s from one DS1 can be dropped out to the other DS1 ports. Then, DS0s from the 
other DS1 ports can be inserted into the corresponding DS0s in the other DS1. In the example 
shown, any DS0 not dropped will be mapped to continue on from one DS1 to another. This 
allows a DS1 to be used to transport DS0s between several sites.
Figure 3-7.  Drop and Insert Application Diagram
The equipment needed for a Drop and Insert application is shown in 
.
Table 3-2.  Drop and Insert Application - Required Equipment
Part #
Equipment
Quantity
1189500L1
       or
1189512L1
MX410
MX412
1
1
1189501L1
MX410 PSU (MX410 only)
1 (2 for redundancy)
DS1
µ Wave/
Leased
DS1
DS1
µ Wave/
Leased
DS1
DS1
µ Wave/
Leased
DS1
V
.35
MX410
DS1
DS1
ETH1
Switch
V
.35
MX410
DS1
DS1
ETH1
Switch
24 DS0s
from Central Site
Original DS0s
Continue 
Downstream;
All Ones in 
Unmapped DS0s
Original DS0s
Continue 
Downstream;
All Ones in 
Unmapped DS0s
DS1
DS1
DS1
DS1
DS1
Remote 
Site #2
Remote 
Site #1
Central 
Site
DS0s
to/from Local
Equipment
DS0s
to/from Local
Equipment
Drop DS0s
to PPP to
Control 
Local
Equipment
via Ethernet
Insert DS0s 
from 
PPP to Continue
Ethernet Path
Conserving 
Bandwidth
Drop DS0s
to PPP to
Control 
Local
Equipment
via Ethernet
Insert DS0s 
from 
PPP to Continue
Ethernet Path
Conserving 
Bandwidth