DS2176

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SIGNALING SUPERVISION MODES Table 2

SM0

SM1

FMS

SELECTED MODE

0

0

0

193S framing, no integration, 1 multiframe freeze.

0

0

1

193E framing, no integration, 1 multiframe freeze.

0

1

0

193S framing, 2 multiframes integration and freeze.

0

1

1

193E framing, 2 multiframes integration and freeze.

1

0

0

1

193S framing, 5 multiframes integration, 2 multiframes freeze.

1

0

1

1

193E framing, 3 multiframes integration, 2 multiframes freeze.

1

1

0

193S framing, no integration, 1 multiframe freeze, replace robbed bit

signaling bits at SSER with ones.

1

1

1

193E framing, no integration, 1 multiframe freeze, replace robbed bit

signaling bits at SSER with ones.

NOTE:

1. During slip or alarm conditions, integration is limited to two multiframes to minimize signaling delay.

SLIP AND SIGNALING SUPERVISION LOGIC TIMING Figure 7

NOTES:

1. Integration feature disabled (SM0=SM1=0) in timing set shown.