Datasheet

DS3150
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Table 2-B. Transmit Data Selection
TDS1 TDS0 TESS TRANSMIT MODE SELECTED
0 0 X Transmit normal data clocked in on TPOS/TNRZ and TNEG
0 1 X Transmit unframed all ones
1 0 0 or Float Transmit unframed 101010… pattern
1 0 1 Transmit DS3 AIS (Figure 1-5)
1 1 0 Transmit 2
23
- 1 PRBS pattern (per ITU O.151)
1 1 1 or Float Transmit 2
15
- 1 PRBS pattern (per ITU O.151)
Note: When EFE is low, the device ignores TDS0 and TDS1 and always transmits normal data clocked in on TPOS/TNRZ and TNEG.
Table 2-C. RMON and TTS Signal Decode
RMON
TTS
RECEIVER
PREAMP
TRANSMIT LINE
DRIVER
JITTER ATTENUATOR
0 0 Disabled Tri-stated Disabled
0 1 Disabled Enabled Disabled
0 Float Disabled Enabled Enabled in Transmit Path
1 0 Enabled Tri-stated Disabled
1 1 Enabled Enabled Disabled
1 Float Enabled Enabled Enabled in Transmit Path
Float 0 Disabled Tri-stated Enabled in Receive Path
Float 1 Disabled Enabled Enabled in Receive Path
Float Float Disabled Enabled Enabled in Receive Path