← Back to X_TRADER® Help Library LSE Gateway Documentation TT Gateway And The Exchange Exchange Information LSE Gateway Architecture Trader and Firm Identification LSE/IDEM Exchange API Mapping MiFID II Gateway Files File Management Installing And Upgrading Preparing to Install Installing with the Graphical User Interface Installing with the Command Line Interface Upgrading Configuring Global Settings Initial Configuration Configuring the Trading Environment Verifying Connectivity Configuring Market Data Understanding the Price Feed HSVF Market Data Configuration Number of Orders at Price Support for Market Depth Calculating Volume at Price (VAP) Configuring Product Subscriptions Support for Settlement Prices Support for Implied Prices Configuring Order Management Understanding Order Management Configuring the Order Server and Order Routers Account Code Mapping Support for Market On Open (MOO) Orders Supported Order Types Support for Cross Orders Disaster Recovery Single Gateway Failure Price Server Failover Recovery Behavior: Secondary LSE Gateway Exchange Host Failure and Recovery Configuring Global Settings