通过 POS .NET 打印，无需打开钱箱
我正准备为一家餐厅创建 POS 应用程序。我将使用 POS for .NET，因此我希望能够访问打印机和钱箱，而无需求助于特定于供应商的命令字符串。在查看了各种打印机之后，我决定使用 Epson TM-T88V。现在我需要选择一个现金抽屉。爱普生打印机可以连接到钱箱，从而释放计算机上的 USB 端口。我想通过打印机连接抽屉，但这让我们想知道我是否可以完全控制抽屉。 POS软件必须在顾客付款之前先打印订单交给厨师，这意味着打印收据并不一定意味着打开抽屉。所以我想找到一个可以通过 CashDrawer 类完全控制的抽屉，并且在打印初始订单时不会过早打开。
I am preparing to create a POS application for a restaurant. I will use POS for .NET so I want the ability to access the printer and cash drawer without resorting to vendor-specific command strings. After looking at various printers, I have decided on the Epson TM-T88V. Now I need to choose a cash drawer. The Epson printer can connect to a cash drawer, freeing up a USB port on the computer. I want to connect the drawer via the printer, but it makes we wonder if I'll have full control over the drawer or not. The POS software must first print orders to be handed to the cook before the customer pays, meaning that printing a receipt does not necessary mean opening the drawer. So I want to find a drawer that can be fully controlled via the CashDrawer class and will not prematurely open when printing the initial order.
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打开现金抽屉通常是一个您可以完全控制的独立设备。
从收据打印机连接到钱箱只是为了方便并节省钱箱成本 - 它不需要完整的 USB/串行接口或电源。实际上，您可以单独控制它。
显然，打印机具有与现金抽屉通信的特殊命令，但如果您使用 OPOS/POS for .NET，那么这是抽象的，您不需要关心连接。
Opening the cash drawer is normally an independent device you have full control over.
The connection to cash drawer from receipt printer is just a convenience and to save cost in the cash drawer - it doesn't need a full USB/serial interface or power supply. In reality you control it separately.
Obviously, the printer has special commands to talk to the cash drawer, but if you use OPOS/POS for .NET then this is abstracted and you don't need to care about the connection.