DS26514G Maxim Integrated, DS26514G Datasheet - Page 94
DS26514G
Manufacturer Part Number
DS26514G
Description
Network Controller & Processor ICs
Manufacturer
Maxim Integrated
Datasheet
1.DS26514G.pdf
(305 pages)
Specifications of DS26514G
Part # Aliases
90-26514-G00
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Table 9-42. T1.231, G.775, and ETS 300 233 Loss Criteria Specifications
9.12.3.6
For short-haul mode, loss is declared if the received signal level is 3dB lower from the programmed value (based
on
declared at 15dB.
LOS is reset if all the following crieria are met:
For long-haul mode, loss is detected if the received signal level is 3dB lower from the programmed value (based on
Table
declaration level is 33dB.
LOS is reset if all the following crieria are met:
9.12.3.7
For short-haul mode, loss is declared if the received signal level is 3dB lower from the programmed value (based
on
declared at 15dB. LOS is reset if the receive signal level is greater than or equal to the programmed sensitivity
level for a duration of 192-bit periods.
For long-haul mode, loss is detected if the received signal level is 3dB lower from the programmed value (based on
Table
declaration level is 15dB. LOS is reset if the receive signal level is greater than or equal to the programmed
sensitivity level for a duration of 192-bit periods.
9.12.3.8
For short-haul mode, loss is declared if the received signal level is 3dB lower from the programmed value (based
on
than or equal to the programmed sensitivity level for a duration of 192-bit periods.
For long-haul mode, loss is declared if the received signal level is 3dB lower from the programmed value (based on
Table
or equal to the programmed sensitivity level for a duration of 192-bit periods.
19-5856; Rev 4; 5/11
Loss Reset
CRITERIA
Detection
Table
Loss
Table
Table
1) 24 or more ones are detected in a 192-bit period with a programmed sensitivity level measured at RTIPn
2) During the 192 bits, fewer than 100 consecutive zeros are detected.
1) 24 or more ones are detected in a 192-bit period with a programmed sensitivity level measured at RTIPn
2) During the 192 bits, fewer than 100 consecutive zeros are detected.
10-23) continuous duration of 2048-bit periods (1ms). LOS is reset if the receive signal level is greater than
10-23) for a duration of 192-bit periods. Hence, if the sensitivity is programmed to be 30dB, the loss
10-23) for a duration of 192-bit periods. Hence, if the sensitivity is programmed to be 30dB, the loss
and RRINGn.
and RRINGn.
10-23) continusou duration of 2048-bit periods (1ms). LOS is reset if the receive signal level is greater
10-23) for a duration of 192-bit periods. Hence, if the sensitivity is programmed to be 12dB, loss is
10-23) for a duration of 192-bit periods. Hence, if the sensitivity is programmed to be 12dB, loss is
No pulses are detected for 175
±75 bits.
Loss is terminated if a duration
of 12.5% ones are detected
over duration of 175 ±75 bits.
Loss is not terminated if 8
consecutive zeros are found if
B8ZS encoding is used. If
B8ZS is not used, loss is not
terminated if 100 consecutive
pulses are zero.
ANSI T1.231 for T1 and J1 Modes
ITU-T G.775 for E1 Modes
ETS 200 233 for E1 Modes
T1.231
No pulses are detected for
duration of 10 to 255 bit
periods.
The incoming signal has
transitions for duration of 10 to
255 bit periods.
STANDARD
ITU-T G.775
DS26514 4-Port T1/E1/J1 Transceiver
No pulses are detected for a
duration of 2048 bit periods or
1ms.
Loss reset criteria is not
defined.
ETS 300 233
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