This likely refers to IP-Trunking or link aggregation. For instance, Huawei documentation links HDLC and IP-Trunk configurations to increase bandwidth and improve link reliability. Download and Security Precautions
If you are looking for a translator for these protocols, tools like Gurux's DLMS translator are sometimes used to decode HDLC packets into readable XML formats. How to use an IDC Punch Down Tool - Loops Download IDC HDLC TNK zip
Always prefer official manufacturer sites like American Tech Supply or Huawei Technical Support . This likely refers to IP-Trunking or link aggregation
If you are looking for this specific file, it is likely related to these technical domains: How to use an IDC Punch Down Tool
Be wary of .ZIP files from unknown sources, as they are a common vector for malware. Official software for LanTEK usually downloads as a 75.0 MB .EXE file .