Manual

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
23
- 1 PRBS pattern as per ITU O.151
1 1 1 or Float Transmit a 2
15
- 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