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XRT94L43
37
SONET/SDH OC-12 TO 12XDS3/E3 MAPPER
REV. 1.0.2
J23
STS3TxA_C1J1_1
ING_LCV_IN_9
ING_RxNEG_IN_9
TxSBFrame_1
I/O
TTL/
CMOS
Transmit STS-3/STM-1 Telecom Bus Interface - C1/J1 Byte
Phase Indicator Input Signal (Channel 1); DS3/E3 Framer Block
LCV/RxNEG Input Pin - Channel 9:
The function of this pin depends upon whether or not theSTS-3/STM-
1 Telecom Bus Interface for Telecom Bus Channel 1 has been
enabled.
If STS-3/STM-1 Telecom Bus (Telecom Bus Channel 1) has been
enabled - Transmit STS-3/STM-1 Telecom Bus Interface C1/J1
Byte Phase Indicator Input Signal (Channel 1):
This input pin should be pulsed "High" during both of the following
conditions.
1. Whenever the C1 byte is being input to the STS-3/STM-1
Transmit Telecom Bus (TXA_D_1[7:0]) input pins.
2. Whenever the J1 byte is being input to the STS-3/STM-1
Transmit Telecom Bus (TXA_D_1[7:0]) input pins.
If STS-3/STM-1 Telecom Bus (Channel 1) is disabled - DS3/E3
Framer Block LCV/RxNEG Input - Channel 9):
If the STS-3/STM-1 Telecom Bus (Channel 1) is disabled and if the
DS3/E3 Framer block is enabled then this pin will function as either
an LCV or RxNEG input pin.
If Channel 9 is configured to operate in the Single- Rail Mode,
and if the Primary Frame Synchronizer block is configured to
operate in the Ingress Path - ING_LCV_IN_9 Input pin:
If the Primary Frame Synchronizer Block (associated with Channel 9)
is configured to operate in the Ingress Path, and if Channel 8 is con-
figured to operate in the Single-Rail Mode, then this input pin will
function as the "LCV" (Line Code Violation) input pin. In this case,
the user should connect this particular input pin to the "LCV" output
pin of the corresponding DS3/E3/STS-1 LIU Channel.
If Channel 9 is configured to operate in the Dual-Rail Mode, and
if the Primary Frame Synchronizer block is configured to oper-
ate in the Ingress Path - ING_RxNEG_IN_9:
If the Primary Frame Synchronizer block (associated with Channel 9)
is configured to operate in the Ingress Path, and if Channel 9 is con-
figured to operate in the Dual-Rail Mode, then this input pin will func-
tion as the "RxNEG" (Negative Polarity Data) input pin. In this case,
the user should connect this particular input to the "RxNEG" output
pin of the corresponding DS3/E3/STS-1 LIU Channel.
NOTE: This pin is inactive if the Primary Frame Synchronizer block
(associated with Channel 9) is NOT configured to operate in
the Ingress Path.
STS-3/STM-1 TELECOM BUS INTERFACE - TRANSMIT DIRECTION
PIN #SIGNAL NAME
I/O
SIGNAL
TYPE
DESCRIPTION