PM5366-PI datasheet(222/267 Pages) PMC

222 / 267 page

PRELIMINARY

PM5366 TEMAP-84

DATASHEET

PMC-2010672

ISSUE 1

HIGH DENSITY 84/63 CHANNEL VT/TU MAPPER

AND M13 MULTIPLEXER

PROPRIETARY AND CONFIDENTIAL

210

Figure 46

- Framer Mode G.751 E3 Transmit Input Stream With TGAPCLK

TGAPCLK[x]

TDATI[x]

bit 1536

bit 1531

bit 1529

bit 1530

bit 1532

bit 1533

bit 1534

bit 1535

bit14

TICLK[x]

bit13

The Framer Mode G.751 E3 Transmit Input Stream diagrams (Figure 45 and

Figure 46) show the expected format of the inputs TDATI, TFPI/TMFPI, and

TICLK and the output TFPO/TMFPO (and TGAPCLK) when the TEMAP-84 is

configured for the E3 G.751 transmit format. TFPI or TMFPI pulses high for one

TICLK cycle and is aligned to the first bit of the frame alignment signal in the

G.751 E3 input data stream on TDATI. TFPO or TMFPO will pulse high for one

out of every 1536 TICLK cycles, providing upstream equipment with a reference

frame pulse. The alignment of TFPO or TMFPO is arbitrary. There is no set

relationship between TFPO/TMFPO and TFPI/TMFPI. The TGAPCLK output is

available in place of TFPO/TMFPO when the TXGAPEN bit in the DS3 and E3

Master Unchannelized Interface Options register is set to logic 1, as in Figure 46.

TGAPCLK remains high during the overhead bit positions. TDATI is sampled on

the falling edge of TGAPCLK.

Figure 47

- Framer Mode G.751 E3 Receive Output Stream

RDATO[x]

bit 1536

RFPO/RMFPO[x]

Nat

RAI

100

bit 1531

bit 1529

bit 1530

bit 1532

bit 1533

bit 1534

bit 1535

ROVRHD[x]

bit13

RSCLK[x]

Figure 48

- Framer Mode G.751 E3 Receive Output Stream with

RGAPCLK

RGAPCLK[x]

RDATO[x]

bit 1536

bit 1531

bit 1529

bit 1530

bit 1532

bit 1533

bit 1534

bit 1535

bit13

The Framer Mode G.751 E3 Receive Output Stream diagrams (Figure 47 and

Figure 48) show the format of the outputs RDATO, RFPO/RMFPO, RSCLK (and

RGAPCLK), and ROVRHD when the TEMAP-84 is configured for the E3 G.751

receive format. RFPO or RMFPO pulses high for one RSCLK cycle and is

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