Rainbow Electronics DS3150 User Manual
Page 16
DS3150
16 of 22
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