參數(shù)資料
型號(hào): XRT94L31_07
廠商: Exar Corporation
英文描述: 3-CHANNEL DS3/E3/STS-1 TO STS-3/STM-1 MAPPER IC
中文描述: 3通道DS3/E3/STS-1給STS-3/STM-1映射器集成電路
文件頁數(shù): 12/133頁
文件大?。?/td> 1014K
代理商: XRT94L31_07
XRT94L31
12
3-CHANNEL DS3/E3/STS-1 TO STS-3/STM-1 MAPPER IC
REV. 1.0.1
AG3
LOSTTL
I
TTL
Loss of Optical Carrier Input - Primary Receive STS-3/STM-1 PECL
Interface - TTL Input:
If the user is using an Optical Transceiver that contains an LOS (or Sig-
nal Detect) output that is of the CMOS/TTL format, then connect this
LOS output signal to this input pin of the XRT94L31.
Configure the LOSTTL input pin to be either an active-low or an active-
high signal, by pulling the LOSPECL input pin to the appropriate level as
described below.
If this input pin is pulled to the appropriate state such that LOS is TRUE,
then all of the following events will happen.
The Primary Receive STS-3 TOH Processor block will declare the
Loss of Optical Carrier condition.
The Primary Receive STS-3/STM-1 Line Interface block will declare
the LOS_Detect condition.
N
OTE
:
If this input pin is pulled to the appropriate state such that LOS is
TRUE, this (by itself) will NOT cause the Primary Receive STS-3
TOH Processor block to declare the LOS defect condition.
PIN DESCRIPTION OF THE XRT94L31 (REV. B)
PIN #
SIGNAL NAME
I/O
TYPE
DESCRIPTION
Description of LOSTTL
Setting this input pin "low"
configures the Receive Line
Interface block to declare the
"LOS_Detect" condition.
Setting this input pin "high"
configures the Receive Line
Interface block to declare the
"LOS_Detect" condition.
LOSTTL
Active-Low/
Active-High
Active-Low
Active-High
LOSPECL
GND
VDD
相關(guān)PDF資料
PDF描述
XRT94L31 3-CHANNEL DS3/E3/STS-1 TO STS-3/STM-1 MAPPER
XRT94L31IB 3-CHANNEL DS3/E3/STS-1 TO STS-3/STM-1 MAPPER
XRT94L43A SONET/SDH OC-12 TO 12XDS3/E3 MAPPER
XRT94L43 SONET/SDH STS-12/STM-4 TO E3/DS3/STS-1 MAPPER/DEMAPPER
XRT94L43IB SONET/SDH STS-12/STM-4 TO E3/DS3/STS-1 MAPPER/DEMAPPER
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