Skip to main content

Posts

Solve FTP Error : 534 Protection level negotiation failed , FTP Client : FileZilla

You are not able to connect your ftp account and you are getting 534 Error in FileZilla. Don't Worry, We have Solution for you. It happens due to SSL requirement.     Question: When i want to connect my ftp account with Filezilla ftp client, it fail to retrieve directory listing then connection closed by server and i am unable to connect my ftp site. Following is output given by my ftp client: " Status: Resolving address of exampale.com Status: Connecting to 194.0.292.194 :21... Status: Connection established, waiting for welcome message... Status: Initializing TLS... Status: Verifying certificate... Status: TLS connection established. Status: Connected Status: Retrieving directory listing... Command: PWD Response: 257 "/" is current directory. Command: TYPE I Response: 200 Type set to I. Command: PASV Response: 227 Entering Passive Mode (194,0,292,194,244,196). Command: LIST Response: 534 Protection level negotiation failed. Error: Failed to retrieve directory l...

Float Cum Boost Charger ( FCBC )

Float - Cum - Boost charger is functionally a charger. We will discuss here briefly about functionality, operation and application of float cum boost charger [FCBC]. Float Cum Boost charger is functionally a charger. It work on two operating modes first float mode and second boost mode. Float Cum Boost Charger are used for charging batteries at sub station or power house protection circuit and telecom exchanges. They are used in places where non-interrupted Power supply required. Float chargers used in telecommunication industry consists of filler circuit to ensure continues power supply. The float part of the charger remains in circuit even when the power is driven from batteries. There are few characteristics of a Float Cum Boost charger as given below:- Power Supply: It operates on single phase or three phase power supply and designed for continuous operation. Operation:  The charger has two modes. Float mode and boost mode. In float mode, the FCBC supplies the DC load and...