PMC-Sierra PM5349 manual Recommended Berm settings, Clocking Options

Models: PM5349

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PMC-Sierra, Inc.

 

PM5349 S/UNI-QUAD

 

S/UNI-QUAD

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

DATASHEET

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

PMC-971239

 

ISSUE 6

 

 

 

 

SATURN USER NETWORK INTERFACE (155-QUAD)

 

 

 

 

 

 

 

 

 

 

 

 

 

Table 12: Recommended BERM settings

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

declare

Eval Per

 

SF/SD

 

SF/SD

 

SF/SD

SF/SD

SF/SD

 

 

 

BER

(s)

 

SMODE

 

CMODE

 

SAP

DTH

CTH

 

 

 

10-3

0.008

 

0

 

0

 

0x000008

0x245

0x083

 

 

 

10-4

0.013

 

0

 

1

 

0x00000D

0x0A3

0x0B4

 

 

 

10-5

0.100

 

0

 

1

 

0x000064

0x084

0x08E

 

 

 

10-6

1.000

 

0

 

1

 

0x0003E8

0x085

0x08E

 

 

 

10-7

10.000

 

0

 

1

 

0x002710

0x085

0x08E

 

 

 

10-8

83.000

 

0

 

1

 

0x014438

0x06D

0x077

 

 

 

10-9

667.000

 

0

 

1

 

0x0A2D78

0x055

0x061

 

 

It is important to notice that the Table 12 was designed around the Bellcore GR-253 specification. Please refer to the SONET/SDH/SDH Bit error Threshold Monitoring application note for more details as well as a recommended programming meeting the ITU G.783 specification.

13.4 Clocking Options

The S/UNI-QUAD supports several clocking modes. Figure 13 is an abstraction of the clocking topology.

Proprietary and Confidential to PMC-Sierra, Inc., and for its Customers’ Internal Use

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Page 212
Image 212
PMC-Sierra PM5349 manual Recommended Berm settings, Clocking Options