Rainbow-electronics DS3150 Instrukcja Użytkownika Pobierz pdf (Strona 16)

DS3150

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Table 2B. TRANSMIT DATA MODE SELECT PIN DESCRIPTIONS

TDS1 TDS0 TESS TRANSMIT MODE SELECTED

0 0 X Transmit data normally as input at TPOS and TNEG

0 1 X Transmit Unframed All Ones

1 0 0 or Float Transmit an Unframed 101010… pattern

1 0 1 Transmit T3 AIS as per ANSI T1.107 (Figure 1E)

1 1 0 Transmit a 2

- 1 PRBS pattern as per ITU O.151

1 1 1 or Float Transmit a 2

- 1 PRBS pattern as per ITU O.151

NOTES:

1) TDS0 and TDS1 are ignored when EFE is tied low and the device will transmit TPOS/TNEG data.

Table 2C. RMON AND TTS* SIGNAL DECODE

RMON TTS*

RECEIVE 20dB

FLAT GAIN

TRANSMIT LINE

DRIVER

JITTER

ATTENUATOR

0 0 Disabled Three-stated Disabled

0 1 Disabled Enabled Disabled

0 Float Disabled Enabled Enabled in Tx Path

1 0 Enabled Three-stated Disabled

1 1 Enabled Enabled Disabled

1 Float Enabled Enabled Enabled in Tx Path

Float 0 Disabled Three-stated Enabled in Rx Path

Float 1 Disabled Enabled Enabled in Rx Path

Float Float Disabled Enabled Enabled in Rx Path

1 2 ... 11 12 13 14 15 16 17 18 19 20 21 22

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Rainbow-electronics DS3150 Instrukcja Użytkownika Strona 16