Old question, but very relevant. While serial ports may be gone from consumer devices these days, it is still very much used in industrial hardware, point of sale hardware, radios, etc. In my case I was trying to capture a communications session from a configuration software tool for some hardware equipment.
我在 2010 年的原始答案：我为 x64 找到的唯一答案是“Advanced Serial Port Monitor” ”，这确实非常好。不是免费的，单个用户许可证的价格为 60 美元。有 15 天的试用期。老实说，我（很长一段时间以来）一直希望 Mark R. 能够发布 64 位版本的 portmon。
UPDATE in 2020: This very old question was relevant in 2010, but is now obsolete. There are plenty of open source serial monitor tools nowadays, notably the Arduino serial monitor tool, just to name one. This question can probably be deleted as it is no longer 'a problem.'
My original answer from 2010: The only one I have found for x64 is "Advanced Serial Port Monitor," which is really quite good. Not free, priced at $60 USD for a single user license. There is a 15-day trial. Honestly, I've been hoping (for quite a while now) that Mark R. would release a 64-bit version of portmon.
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老问题，但非常相关。虽然串行端口现在可能从消费设备中消失，但它仍然广泛用于工业硬件、销售点硬件、无线电等。在我的例子中，我试图从某些硬件的配置软件工具捕获通信会话设备。
最后，我从 Eltima Software 找到了一个名为 Serial Port Monitor 的商业应用程序，它我在 Windows 7 x64 上成功了。
Old question, but very relevant. While serial ports may be gone from consumer devices these days, it is still very much used in industrial hardware, point of sale hardware, radios, etc. In my case I was trying to capture a communications session from a configuration software tool for some hardware equipment.
In the end I found a commercial app from Eltima Software called Serial Port Monitor which did the trick for me on Windows 7 x64.
2020 年更新：这个非常古老的问题在 2010 年是相关的，但现在已经过时了。现在有很多开源串行监控工具，尤其是 Arduino 串行监控工具，仅举一例。这个问题可能可以删除，因为它不再是“问题”。
我在 2010 年的原始答案：我为 x64 找到的唯一答案是“Advanced Serial Port Monitor” ”，这确实非常好。不是免费的，单个用户许可证的价格为 60 美元。有 15 天的试用期。老实说，我（很长一段时间以来）一直希望 Mark R. 能够发布 64 位版本的 portmon。
UPDATE in 2020: This very old question was relevant in 2010, but is now obsolete. There are plenty of open source serial monitor tools nowadays, notably the Arduino serial monitor tool, just to name one. This question can probably be deleted as it is no longer 'a problem.'
My original answer from 2010: The only one I have found for x64 is "Advanced Serial Port Monitor," which is really quite good. Not free, priced at $60 USD for a single user license. There is a 15-day trial. Honestly, I've been hoping (for quite a while now) that Mark R. would release a 64-bit version of portmon.