Hollyland Spares - DB25 Male to DB9 Female Tally Cable (for Wireless Tally System)
SKU: 63367855492

Hollyland Spares - DB25 Male to DB9 Female Tally Cable (for Wireless Tally System)

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Description

Hollyland Spares - DB25 Male to DB9 Female Tally Cable (for Wireless Tally System)The Hollyland DB25 Male to DB9 Female Tally Cable (Model: HL TCB05) is an official OEM interface adapter designed exclusively for the Hollyland Wireless Tally System. While high density video switchers use multi row formats, many compact production switchers, legacy broadcast systems, and industrial PTZ camera controllers route their parallel tally layouts through standard 9 pin D Sub configurations. This cable functions as the direct analog hardware

The Hollyland DB25 Male to DB9 Female Tally Cable (Model: HL-TCB05) is an official OEM interface adapter designed exclusively for the Hollyland Wireless Tally System.

While high-density video switchers use multi-row formats, many compact production switchers, legacy broadcast systems, and industrial PTZ camera controllers route their parallel tally layouts through standard 9-pin D-Sub configurations. This cable functions as the direct analog hardware link that bridges your switcher's physical relay closures into the master database of the Hollyland Wireless Tally Base Station.

Understanding the Connector Design

  • DB25 Male Terminal (Tally Station Side): Plugs directly into the 25-pin parallel input matrix tracking port located on the back panel of the master Wireless Tally Station box.

  • DB9 Female Terminal (Switcher Side): Features a standard 9-pin footprint arranged in 2 rows (5 pins over 4 pins) with inward-facing sockets. This female terminal profile matches switchers that output tally signals using a male DB9/DE-9 physical chassis connector.

Core Hardware & Signal Routing Features

  • Low-Voltage Contact Closure Sync: Custom-wired to map low-voltage parallel dry contact loops. The millisecond your vision console triggers a camera to Program (Live / On-Air) or Preview (Next In Queue), the circuit grounds out and sends an instantaneous instruction down the cable to update the wireless on-camera tally lamps without delayed lag.

  • Interference-Shielded Insulation: Wrapped inside an internal RF/EMI structural shield layer to insulate your sensitive parallel signaling lines from adjacent electrical noise generated by studio lighting grids, power strips, and heavy-duty video servers.

  • Secure Mechanical Connection: Both terminal ends feature rugged, molded PVC housings equipped with thumb-locking screw sets. This physical design ensures a permanent grip that prevents the cable from slipping out of place behind tightly bundled, high-traffic equipment racks.

Technical Specifications Matrix

Component Attribute Technical Specifications Detail
Official Model SKU HL-TCB05 (Part Number: 191460005862)
Primary System Family Hollyland Wireless Tally System Base Stations
Connector Side A Interface 1 × DB25 Male Terminal (Parallel Layout)
Connector Side B Interface 1 × DB9 Female Terminal (Standard 2-Row Layout)
Physical Cable Length 4.92 feet (1.5 Meters)
Signal Transmission Type Pure Analog Parallel Relay / Voltage Ground Closures
Color Configuration Profile Professional Broadcast Matte Black
Net Component Weight Approx. 6.5 oz (184 grams)

Pin Matching Configuration Advisory: Do not confuse this standard DB9 connector with high-density HDB15 connectors. While both shells are similarly sized, a standard DB9 uses 2 rows of total pins, whereas an HDB15 features 3 rows of micro-pins. Always count the rows on your switcher’s output module before seating the terminal to avoid bending or crushing contact elements inside the connector housing.

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SKU: 63367855492

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Jeff Jenner
Alexandria, US
★★★★★ 5
I wish Americans could read Kate Crawford’s book
Format: Kindle
It is a sad bit of irony that the “information revolution” has created a society in which the vast majority of Americans don’t know where their food or water come from. “I don’t get all this talk about drought. You just turn on the faucet and get all the water you want.” It’s no wonder that we’ve created an entire generation of Americans who have no idea where their computing resources come from. “I don’t get all this ‘cost of AI’ talk. ChatGPT is free. Just open your iphone and it will answer any question you have.” While Crawford’s Atlas of AI is a bit sesquipedalian, it is a comprehensive, well-organized, impeccably researched story of where all our miraculous computing power actually comes from. For all the Doomer talk of AI someday making humans extinct, Crawford shows that the way the most powerful American corporations are implementing AI is ALREADY causing vast harm to humans globally, and it will only continue to get worse. Not from some mythical science fiction robot suddenly becoming smarter than people, but from mass ignorance of the slow but steady human-driven global natural resource depletion and exploitation of the most vulnerable people. It’s doubly sad that our polarized culture war politics prevents most Americans from asking the critical questions that Crawford explores in her journey through the landscape of AI creation and production. This book is neither Marxist nor anti-capitalist. It simply argues that, just like there are better ways of managing our water and food resources, there is a better way to manage our computing resources—the first step being a common understanding that there is a natural resource and human cost to every floating point operation that a computer performs. I wish that Americans were able to read, understand, and appreciate such an important analysis of the biggest problem that will confront humans in the next few decades.
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Reviewed in the United States on December 3, 2025
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Thomas
Battle Creek, US
★★★★★ 4
Removing data from databases or datasets.
Format: Kindle
If the share a video or photo option was working I would share the screenshot. However, I'll quote it. "Most of the adults on the list had never been charged, but once they were included, ther was no way to have their name removed." This needs more clarification as you can delete data from a database. Especially if web based, there should be CRUD principles added. If that was not the case there's still ways to delete the data or even change it's classification. I will give benefit of the doubt that there's an underlying reason it was said there was no way to remove or that I even misunderstood the context around it. Just seems a little like reaching by this point. Also, I do like this book and a fresh perspective on data collection even though at times it seems to read a little emotional for what I was expecting of an Atlas. Regardless looking past the verbiage of emotions, this is a great book that does point out a lot of history with AI. Thank you for creating this book! Also giving more data to the internet to be used for.... AI... lol
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Reviewed in the United States on November 27, 2024
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Ckalba22
Draper, US
★★★★★ 5
A must read for ALL world citizens A must read again!!
Format: Paperback
Fabulous book. Wide ranging, every page full of information that ALL modern citizens should already know or should learn as we go to green technologies and even more dependence on AI and computers. These techs look 'all clean' and 'socially fair' when in fact at every stage (she takes us from design, to engineering to mining, to sales to production of techs) in this 'atlas' of AI we see pollution, inequality, power relationships hidden just beneath the surface. The tip of the AI/computer/green tech iceberg looks all white and clean........the rest (the filth, pollution and inequaity) are all hidden away. Just a tremendous book and not too hard to read. This book should be required reading for all college students, whatever their field!
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Reviewed in the United States on August 16, 2023
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A M
Houston, US
★★★★★ 3
Embitterment in regard to AI
Format: Kindle
AI is one of the most important innovations in the last decades. But the author of this book claims that the current application of AI is bad. It requires computers that use rare material, the mining of which harms the environment, and it uses inaccurate training data, to list some of the arguments presented in this book. But when considering these drawbacks against AI's blessing (automatic translation, contribution to medical research, etc.), the criticism seems to be not justified. The author blames AI for searching order in an infinitely complex world (in the Conclusion chapter), but she ignores that this is exactly what science does. The book also includes many interesting reviews of the history of science and AI. I enjoyed very much reading these reviews.
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Reviewed in the United States on August 2, 2021
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Jill
West Palm Beach, US
★★★★★ 5
Engaging study of the underpinnings of AI
Format: Kindle
This “atlas” maps what is often forgotten when discussing AI: material needs like the extraction of lithium and other minerals from the earth with the destruction of nature that requires and the workers, as well as the epistemological constraints of classification and the false proxies of data. The book is engagingly written and easy to follow while richly sourced. I’ll probably assign at least a couple of chapters to undergrads in our digital culture program. I would have loved an audio book version - but I listened to it using automatic text to speech on my phone and it was surprisingly not awful. This is the first time I’ve done that with a whole book.
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Reviewed in the United States on May 13, 2021

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