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Single t3 with 672 hdlc channel support – Rainbow Electronics DS3134 User Manual

Page 203

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DS3134

203 of 203

Single T3 with 672 HDLC Channel Support

Figure 14G shows an application where a T3 line is interfaced to three DS3134. In this application, the
T3 line is demultiplexed by the M13 block and passed to the DS21FF42 Four x Four 16 Channel T1
Framer and DS21FT42 Four x Three 12 Channel T1 Framer devices. The T1 framers locate the frame
and multiframe boundaries and interface to the DS3134. In this application, aggregating four T1 lines
into a single 8.192 MHz data stream is not required since the DS3134 has enough physical ports to
support the application but aggregation could be done to cut down on the number of electrical connections
between the DS3134 and the T1 framers. The T1 lines can be either clear channel or channelized.

T3 Application (672 HDLC Channels) Figure 14G

- END -

DS3134
CHATEAU
# 1

(Supports
10 T1 Lines)

DS21FF42
Four x Four
16 Channel
T1 Framer

DS21FT42
Four x Three
12 Channel
T1 Framer

M13
Interface

1
2

16

Port 0
Port 1
Port 2
Port 3

17
18

28

Port 4
Port 5
Port 6
Port 7
Port 8
Port 9

Port 10
Port 11
Port 12
Port 13
Port 14
Port 15

app_c

Port 0
Port 1
Port 2
Port 3
Port 4
Port 5
Port 6
Port 7
Port 8
Port 9

Port 10
Port 11
Port 12
Port 13
Port 14
Port 15

Port 0
Port 1
Port 2
Port 3
Port 4
Port 5
Port 6
Port 7
Port 8
Port 9

Port 10
Port 11
Port 12
Port 13
Port 14
Port 15

DS3134
CHATEAU
# 2

(Supports
10 T1 Lines)

DS3134
CHATEAU
# 3

(Supports
8 T1 Lines)