Configuration

createEcr17Client(config) creates the Nitro HybridObject and immediately applies the configuration.

const client = createEcr17Client({
  host: "192.168.1.50",
  port: 10000,
  terminalId: "12345678",
  cashRegisterId: "00000001",
  lrcMode: "std",
  keepAlive: true,
  autoReconnect: true,
  connectionTimeoutMs: 10000,
  responseTimeoutMs: 60000,
  ackTimeoutMs: 5000,
  receiptDrainMs: 1500,
  retryCount: 3,
  retryDelayMs: 250,
  debug: false
});

Required fields

• host: terminal IP address or hostname reachable from the device.
• terminalId: terminal identifier expected by the ECR17 estate.
• cashRegisterId: cash-register identifier used in requests.

Important defaults

• port: terminal-specific ECR port, commonly configured by the acquirer or estate.
• lrcMode: one of stx, std, noext, or stx_noext.
• autoReconnect: useful before commands, but never a license to replay financial requests.
• receiptDrainMs: enables receipt-line draining after a result when ECR printing is active.