PM5356 datasheet(59/307 Pages) PMC

59 / 307 page

RELEASED

S/UNI-622-MAX

PMC-Sierra, Inc.

PM5356

S/UNI-622-MAX

DATASHEET

PMC-1980589

ISSUE 6

SATURN USER NETWORK INTERFACE (622-MAX)

PROPRIETARY AND CONFIDENTIAL TO PMC-SIERRA INC., AND FOR ITS CUSTOMERS’ INTERNAL USE

pointer is out of range).

AIS_ind

H1 = 'hFF, H2 = 'hFF

inc_ind

disabled NDF + ss + majority of I bits inverted + no

majority of D bits inverted + previous NDF_enable, inc_ind

or dec_ind more than 3 frames ago

dec_ind

disabled NDF + ss + majority of D bits inverted + no

majority of I bits inverted + previous NDF_enable, inc_ind

or dec_ind more than 3 frames ago

inv_point

not any of above (i.e., not norm_point, and not

NDF_enable, and not AIS_ind, and not inc_ind and not

dec_ind)

new_point

disabled_NDF + ss + offset value in range of 0 to 782 but

not equal to active offset

inc_req

majority of I bits inverted + no majority of D bits inverted

dec_req

majority of D bits inverted + no majority of I bits inverted

Note 1-

active offset is defined as the accepted current phase of the SPE

(VC) in the NORM_state and is undefined in the other states.

Note 2 -

enabled NDF is defined as the following bit patterns: 1001, 0001,

1101, 1011, 1000.

Note 3 -

disabled NDF is defined as the following bit patterns: 0110, 1110,

0010, 0100, 0111.

Note 4 -

the remaining six NDF codes (0000, 0011, 0101, 1010, 1100, 1111)

result in an inv_ndf indication.

Note 5 -

ss bits are unspecified in SONET and has bit pattern 10 in SDH

Note 6 -

the use of ss bits in definition of indications may be optionally

disabled.

Note 7 -

the requirement that previous NDF_enable, inc_ind or dec_ind be

more than 3 frames ago may be optionally disabled.

Note 8 -

new_point is also an inv_point.

Note 9 -

LOP is not declared if all the following conditions exist:

• the received pointer is out of range (>782),

• the received pointer is static,

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