DS3134 datasheet(202/203 Pages) DALLAS

202 / 203 page

DS3134

202 of 203

Single T3 with 512 HDLC Channel Support

Figure 14F shows an application where a T3 line is interfaced to two 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 (512 HDLC Channels) Figure 14F

DS3134

CHATEAU

# 1

DS21FF42

Four x Four

16 Channel

T1 Framer

DS21FT42

Four x Three

12 Channel

T1 Framer

M13

Interface

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

app_b

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

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