![](http://datasheet.mmic.net.cn/Exar-Corporation/XRT94L43IB-F_datasheet_100164/XRT94L43IB-F_103.png)
XRT94L43
97
SONET/SDH OC-12 TO 12XDS3/E3 MAPPER
REV. 1.0.2
G25
STS3RxD_DP_1
EG_DS3E3_FP_5
TxSTS1FP_5
O
CMOS
STS-3/STM-1 Receive (Drop) Telecom Bus - Parity Output Pin -
Channel 1; Egress Direction DS3/E3 Frame Generator Block Fram-
ing Pulse Output pin - Channel 5; Transmit STS-1 Framing Pulse
Output pin - Channel 5:
See description for Pin # C22 above using the appropriate channel num-
bers.
If STS-3/STM-1 Telecom Bus ((associated with STS-3/STM-1 Channel
1) has been enabled - STS-3/STM-1 Receive Telecom Bus - Parity
Output pin:
If STS-3/STM-1 Telecom Bus (associated with STS-3/STM-1 Channel
1) is disabled then the function of this output pin depends upon
whether Channel 5 has been configured to operate in either the DS3/
E3 or STS-1 ModesChannel 1) is disabled - RxDS3FP_5 (Receive
DS3 Frame Pulse Input/Output - Channel 5):
AC23
STS3RxD_DP_2
EG_DS3E3_FP_6
TxSTS1FP_6
O
CMOS
STS-3/STM-1 Receive (Drop) Telecom Bus - Parity Output Pin - STS-
3/STM-1 Channel 2; Egress Direction DS3/E3 Frame Generator
Block Framing Pulse Output pin - Channel 6; Transmit STS-1 Fram-
ing Pulse Output pin - Channel 6:
See description for Pin # C22 above using the appropriate channel num-
bers.
If STS-3/STM-1 Telecom Bus (associated with STS-3/STM-1 Channel
2) has been enabled - STS-3/STM-1 Receive Telecom Bus - Parity
Output Pin:
If STS-3/STM-1 Telecom Bus (associated with STS-3/STM-1 Channel
2) is disabled then the function of this output pin depends upon
whether Channel 2 has been configured to operate in either the DS3/
E3 or STS-1 Modes:
AC17
STS3RxD_DP_3
EG_DS3E3_FP_7
TxSTS1FP_7
O
CMOS
STS-3/STM-1 Receive (Drop) Telecom Bus - Parity Output Pin - STS-
3/STM-1 Channel 3; Egress Direction DS3/E3 Frame Generator
Block Framing Pulse Output pin - Channel 7; Transmit STS-1 Fram-
ing Pulse Output pin - Channel 7:
See description for Pin # C22 above using the appropriate channel num-
bers.
If STS-3/STM-1 Telecom Bus ((associated with STS-3/STM-1 Channel
3) has been enabled - STS-3/STM-1 Receive Telecom Bus - Parity
Output Pin:
If STS-3/STM-1 Telecom Bus (associated with STS-3/STM-1 Channel
3) is disabled then the function of this output pin depends upon
whether Channel 7 has been configured to operate in either the DS3/
E3 or STS-1 Modes:
STS-3/STM-1 TELECOM BUS INTERFACE - RECEIVE DIRECTION
PIN #SIGNAL NAME
I/O
SIGNAL
TYPE
DESCRIPTION