Datasheet > TMPR28051

TMPR28051

更新时间： 2024-09-27 22:49:39

品牌	Logo	应用领域
杰尔 - AGERE		/
页数	文件大小	规格书
90页	1071K
描述
TMPR28051 STS-1/AU-3 (STM-0) Mapper Device Advisory for Version 5 of the Device

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TMPR28051 数据手册

Advisory

August 5, 1999

TMPR28051 STS-1/AU-3 (STM-0) Mapper

Device Advisory for Version 5 of the Device

RA-1. Reset Bit

The software reset bit (bit 0) of register 0x00 is not functional.

RA-2. Transmit Path AIS Insert Bit

The TXPAISINS bit (bit 5) of register 0x01 produces both AIS-P and AIS-L.

RA-3. STS-1 Loss of Pointer Mask Bit

The STS1LOPMSK bit (bit 2) of register 0x04 masks both STS1LOP and STS1LOF.

RA-4. STS-1 Loss of Frame Mask Bit

The STS1LOFMSK bit (bit 1) of register 0x04 is not functional.

RA-5. VTLABCOM and VTRFIRDICOM Interrupt Bits

Occasionally, it might require multiple reads to clear the composite interrupt bits VTLABCOM (bit 2 of

Error Insertion (EI)

EI-1. DS1/E1 Alarm Indication Signal

The device does not insert DS1/E1 AIS towards the STS-1 if there is an LOC condition in the incoming DS1/E1

signal.

EI-2. LOC Condition in E1 Loopback Mode

In the absence of an input clock, the device detects an LOC condition and generates TU-AIS upstream, even if the

loopback path is selected (the loopback signal is overwritten by TU-AIS).

12 3 4 5 6 7...90

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型号	品牌	获取价格	描述	数据表
TMPR28051-3-SL5	AGERE	获取价格	TMPR28051 STS-1/AU-3 (STM-0) Mapper Device Advisory for Version 5 of the Device
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