PM5366-PI datasheet(230/267 Pages) PMC

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PRELIMINARY

PM5366 TEMAP-84

DATASHEET

PMC-2010672

ISSUE 1

HIGH DENSITY 84/63 CHANNEL VT/TU MAPPER

AND M13 MULTIPLEXER

PROPRIETARY AND CONFIDENTIAL

218

3. Up to four devices may be directly connected to the same bus. Current

consumption is minimized if all devices are the same (ie. all TEMAP-84s).

All devices must receive the same LAC1 signal.

4. The INCLDC1J1V1 register bit may only be set if the LSTM[1:0] bit are

“00”.

5. The Telecom bus becomes unconditionally high-impedance upon either a

hardware or software reset. All necessary configuration and at least one

LAC1 pulse should precede the setting of the LADDOE or LAOE register

bits.

13.5 SONET/SDH Serial Alarm Port Timing

The timing relationships of the signals related to the remote serial alarm port are

shown in Figure 58. The remote serial alarm port clocks, RADEASTCK and

RADWESTCK, are nominally 9.72 MHz clocks but can range from 1.344 MHz to

10 MHz. The remote serial alarm port frame pulses, RADEASTFP and

RADWESTFP, mark the first BIP-2 error bit (B1 in Figure 58) of the first tributary

(TU #1 of TUG2 #1, TUG3 #1) on RADEAST and RADWEST, respectively. The

frame pulses must be set high to mark every first BIP-2 error bit of the first

tributary. Tributaries on RADEAST and RADWEST are arranged in the order of

transmission of an STM-1 stream as defined in the references. I.e., TU #1 of

TUG2 #1 in TUG3 #1, TU#1 of TUG2 #1 in TUG3 #2, TU#1 of TUG2 #1 in TUG3

#3, TU#1 of TUG2 #2 in TUG3 #1, ... TU #1 of TUG2 #7 in TUG3 #3, TU #2 of

TUG2 #1 in TUG3 #1, ... TU #2 of TUG2 #7 in TUG3 #3, TU #3 of TUG2 #1 in

TUG3 #1, ... TU #4 of TUG2 #7 in TUG3 #3. Timeslot assignment on RADEAST

and RADWEST is unrelated to the configuration of the TUG2. Timeslots are

always reserved for four tributaries in every TUG2 even if it is configured for

tributaries with higher bandwidth than TU11, such as TU12. At timeslots devoted

to non-existent tributaries, for example, tributary 4 of a TUG2 configured for

TU12, RADEAST and RADWEST will be ignored.

Each tributary in the remote serial alarm port is allocated eight timeslots. The

first two timeslots, labeled B1 and B2 in Figure 58, reports the two possible BIP-2

errors in the tributary payload frame. An alarm contributing to remote defect

indications is reported in the third timeslot and is labeled D in Figure 58. The

timeslot labeled F report alarms contributing to remote failure indications. In

extended RDI mode, the D and F bits are considered as two bit codepoint and

will be reported on the RDI and RFI signals. Out of extended RDI mode, the D

and F bits are independent. The remaining four timeslots are unused and are

ignored.

PM5366-PI Datasheet(PDF) 230 Page - PMC-Sierra, Inc

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