CME iLink 3 Message Gateway (MSGW) connections use Simple Binary Encoding, which is a FIX standard order-entry protocol for trading EBS Market, futures, options, and BrokerTec products on CME Globex.

To add a CME iLink 3 MSGW connection for EBS Market NY or EBS Market LN:

1. Click Connections in the left navigation panel.
2. Click +New Connection
3. Configure the settings in the General Settings section:

   

• Connection Enabled: Check this setting to activate the connection. Uncheck to deactivate the connection.
• Name: This is a required field for creating a connection.
• Exchange: Select either EBSM_NY or EBSM_LN. Only one exchange is allowed per connection.
• Type: Select Default.

4. Configure the settings in the Additional Settings section.

   

Configure the following Market Segment Gateway (MSGW) settings per connection:

• Market Data Spot and Metals Session ID and Firm ID — (Required) The Market Segment Gateway (MSGW) iLink order session identifier (ID). This is a concatenation of your FirmID and SessionID, both assigned by CME Group. This parameter has only six alpha-numeric characters.
• Market Data Spot and Metals Secret Key — (Required) Sets the secure access API key secret used for logging into the exchange. MSGW iLink sessions require separate, unique access key pairs (key and secret) from CME Group. This parameter is required for using CME Secure Logon.
• Market Data Spot and Metals Access Key ID — (Required) Sets the secure access API key for logging into the exchange. MSGW iLink sessions require separate, unique access key pairs (key and secret) from CME. This parameter is required for using CME Secure Logon.
• Order Entry Spot and Metals Port — (Required) The exchange-provided port for the iLink session connection.
• Order Entry Spot and Metals Session ID and Firm ID — (Required) The Market Segment Gateway (MSGW) iLink order session identifier (ID). This is a concatenation of your FirmID and SessionID, both assigned by CME Group. This parameter has only six alpha-numeric characters.
• Order Entry Spot and Metals Secret Key — (Required) Sets the secure access API key for logging into the exchange. MSGW iLink sessions require separate, unique access key pairs (key and secret) from CME Group. This parameter is required for using CME Secure Logon.
• Order Entry Spot and Metals Access Key ID — (Required) Sets the secure access API key for logging into the exchange. MSGW iLink sessions require separate, unique access key pairs (key and secret) from CME. This parameter is required for using CME Secure Logon.
• Max Order Rate (orders/sec) — (Optional) Sets the maximum number of orders per second that a user can enter per connection. This limit cannot exceed the exchange-defined order rate maximum.

• Contact Email — Optionally, add a best contact email that TT can use to contact your firm if needed.

5. Click Create. You can select the connection in the data grid and review the connection settings in the Settings tab.

6. Click the Accounts tab to assign an existing account to the connection. Multiple accounts can be added to a single connection.

   Note The connection will not become active until at least one account is assigned.

7. Click Save Changes.