--- title: "TASCAM IF-E100 Ethernet Control Expansion Card for CD-400U/MP-800U" url: "https://maker.wiznet.io/matthew/resellers/tascam-if-e100-ethernet-control-expansion-card-for-cd-400u-mp-800u/" markdown_url: "https://maker.wiznet.io/matthew/resellers/tascam-if-e100-ethernet-control-expansion-card-for-cd-400u-mp-800u/md" type: "VAR: Value-Added Reseller Products" author: "TASCAM" author_url: "https://tascam.com/us/product/if-e100?srsltid=AfmBOorDvZTPlbIDMLPd939mSTCrQxxRIgTUHc-6mgjDhBpBpPOah-9c" editor: "WIZnet" editor_url: "https://maker.wiznet.io/" original_author: "TASCAM" original_url: "https://tascam.com/us/product/if-e100?srsltid=AfmBOorDvZTPlbIDMLPd939mSTCrQxxRIgTUHc-6mgjDhBpBpPOah-9c" published: "2026-02-27" language: "en" hardware: ["WIZnet WIZ750SR"] likes: 0 views: 564 comments: 0 source: "WIZnet Makers (https://maker.wiznet.io/)" --- # TASCAM IF-E100 Ethernet Control Expansion Card for CD-400U/MP-800U > TASCAM IF-E100 Ethernet Control Expansion Card for CD-400U/MP-800U Original author: TASCAM (source: https://tascam.com/us/product/if-e100?srsltid=AfmBOorDvZTPlbIDMLPd939mSTCrQxxRIgTUHc-6mgjDhBpBpPOah-9c) ## Components - **WIZnet WIZ750SR** x 1 ([docs](https://docs.wiznet.io/Product/S2E-Module/WIZ750SR/)) ## Documents and links - [Manual pdf](https://maker.wiznet.io/_lib/download.asp?path=project/53&downfile=IF%2DE100%5FOM%5Fmulti%5FRevB2%5FTASCAM%2Epdf) ## Article ### TASCAM IF-E100: Turning Installed Media Players into Network-Controlled Endpoints (with WIZnet WIZ750SR inside) ![](https://tascam.com/wp-content/uploads/images/products/hero_img/fr-av4_w_hero_image.jpg) Image Source: ### Introduction TASCAM’s **IF-E100** is an Ethernet control expansion card that adds **IP remote control** to certain TASCAM installation media players. Once installed, the player can be controlled over a network using **Telnet**, which is a common “simple text command” interface used by AV/automation systems. ([Tascam](https://tascam.jp/int/product/if-e100/top)) This isn’t a standalone gadget—it’s an **integration accessory** that lets an existing playback device behave like a **network-managed endpoint** in schools, hotels, retail, restaurants, and other installed environments where centralized control matters. ([Tascam](https://tascam.jp/int/support/news/5755?utm_source=chatgpt.com)) ### Company background: TASCAM in the installed audio ecosystem TASCAM is TEAC’s professional audio brand, with a long history in recording and installed sound. On its official “About” page, TASCAM positions its products across a wide range of pro environments—broadcast, studios, concert halls, conference rooms, academic and commercial facilities, theaters, and internet broadcasting—where reliability and integration workflows are priorities. ([Tascam](https://tascam.jp/int/contents/about?utm_source=chatgpt.com)) That context matters for IF-E100: this is exactly the kind of “small option card” product used by AV integrators to standardize control methods across many deployed devices. --- ### What IF-E100 is used for #### Compatible player families IF-E100 is sold as an Ethernet control card for TASCAM’s **CD-400U** and **MP-800U** media players (including DAB variants via the downloadable Telnet/RS-232C protocol documents listed on the product page). ([Tascam](https://tascam.jp/int/product/if-e100/top)) #### Why customers add it TASCAM’s 2018 announcement frames the value clearly: **CD-400U already supports RS-232C control**, and IF-E100 adds **IP network control**, making the player more suitable for **IP network–based installations** (schools/institutions, restaurants, hotels, retail, etc.). ([Tascam](https://tascam.jp/int/support/news/5755?utm_source=chatgpt.com)) In practice, this is a classic “upgrade path” for installed AV: - keep the base player simple, - add network control when the job requires centralized management, remote scripting, or integration into an existing control system. --- ### Key specifications (what an installer actually cares about) From TASCAM’s published specs, IF-E100 provides: ([Tascam](https://tascam.jp/int/product/if-e100/top)) - **Ethernet:** 100BASE-TX - **Connector:** RJ-45 - **Control protocol:** Telnet - **Port:** 23 - **Access control:** numeric password (up to 10 digits, default “400”) - **Cabling:** Cat 5e or faster - **Dimensions / weight:** 75.0(W) × 31.0(H) × 54.8(D) mm; 33 g - **In the box:** card + mounting screws + owner’s manual/warranty Also notable for integrators: TASCAM publishes **Telnet protocol specification documents** for the supported players (listed as downloadable files on the IF-E100 page), which reduces integration guesswork. ([Tascam](https://tascam.jp/int/product/if-e100/top)) --- ### How it works (architecture + data flow) The architecture is intentionally straightforward: 1. The IF-E100 is installed into the player’s expansion slot, exposing an **RJ-45 Ethernet** port. ([Tascam](https://tascam.jp/int/product/if-e100/top)) 2. A control system connects via **Telnet (port 23)**, authenticates using the numeric password policy, and sends control commands defined in TASCAM’s protocol documents. ([Tascam](https://tascam.jp/int/product/if-e100/top)) 3. Commands are translated into player actions (play/stop, configuration, etc.) using the same “remote control” concept the product line already supports via RS-232C—now reachable over IP. ([Tascam](https://tascam.jp/int/support/news/5755?utm_source=chatgpt.com)) This “Telnet command surface” design is common in installed environments because it’s easy to script, easy to test, and easy to bridge into higher-level automation platforms. --- ### Where WIZnet fits: WIZ750SR as the OEM connectivity building block You noted WIZ750SR usage from the PDF, and TASCAM’s own owner’s manual backs that up in its licensing section: it references **CMSIS-DAP interface firmware implemented into “Wiznet / WIZ750SR”** and cites Apache 2.0 licensing. ([Tascam](https://tascam.jp/downloads/products/tascam/if-e100/6L_IF-E100_OM_vA3.pdf)) That’s a strong indicator that IF-E100 includes WIZnet WIZ750SR software components as part of its embedded networking/control implementation. #### What the WIZ750SR family is (and why OEMs pick it) WIZnet positions **WIZ750SR** as a compact **serial-to-Ethernet module** based on the **W7500P Ethernet MCU**, designed to convert serial data to TCP/IP and back. It supports TTL/RS-232/RS-422/485 variants, is compatible with older WIZ107/108SR module ecosystems, and includes configurable GPIO. ([WIZnet Documentation](https://docs.wiznet.io/Product/Modules/Serial-to-Ethernet-Module/WIZ750SR?utm_source=chatgpt.com)) Key WIZ750SR family characteristics relevant to OEM products like IF-E100: - **Fast “serial device → Ethernet device” conversion** without building a full custom network stack from scratch. ([WIZnet Documentation](https://docs.wiznet.io/Product/Modules/Serial-to-Ethernet-Module/WIZ750SR?utm_source=chatgpt.com)) - **Multiple electrical interface options** (TTL / RS-232 / RS-422/485), allowing the same core design to be reused across product lines with different internal control buses. ([WIZnet Documentation](https://docs.wiznet.io/Product/Modules/Serial-to-Ethernet-Module/WIZ750SR?utm_source=chatgpt.com)) - **Installer-friendly networking behavior** (10/100 Ethernet, password/config support), which aligns with deployed/managed equipment workflows. ([WIZnet](https://wiznet.io/products/serial-to-ethernet-modules/wiz750sr?utm_source=chatgpt.com)) --- ### Market focus: why IF-E100 matters beyond one card IF-E100 is a concrete example of a broader, scalable pattern: **turning “locally controlled” equipment into a network-controlled node** with minimal redesign. #### 1) Installed AV is full of “serial control” legacy—and IP control is the upgrade path Many AV endpoints historically offered RS-232 control for reliability and simplicity. TASCAM explicitly says CD-400U ships with RS-232C remote control and IF-E100 makes it a better fit for IP network installations. ([Tascam](https://tascam.jp/int/support/news/5755?utm_source=chatgpt.com)) That maps directly to integrator realities: IP control is easier to route across buildings, VLANs, and centralized control rooms than point-to-point serial wiring. #### 2) The accessory-card approach scales across a product line Rather than redesigning every player variant with networking, an option card lets TASCAM: - keep base models cost-optimized, - sell network control only when needed, - and support a consistent control interface across venues. That same strategy is attractive across many device categories (not just media players): signage controllers, paging systems, mixers, lighting controllers—anything with a stable internal command interface can be “network-enabled” as an add-on. #### 3) WIZ750SR’s role in market expansion WIZ750SR-class modules help OEMs ship these add-ons faster because they package a proven “serial ↔ Ethernet” bridge into a compact module family with multiple interface variants. ([WIZnet Documentation](https://docs.wiznet.io/Product/Modules/Serial-to-Ethernet-Module/WIZ750SR?utm_source=chatgpt.com)) IF-E100 shows this approach landing in **Pro AV / installation products**, expanding the typical mental model of serial-to-Ethernet modules beyond industrial automation into a market where **integration, repeatable deployment, and remote ops** drive purchasing. **Reason:** *(mass-production potential)* repeatable “network control option” pattern across installed endpoints; *(vertical expansion)* Pro AV/integration channels in schools, hotels, retail, restaurants. ([Tascam](https://tascam.jp/int/support/news/5755?utm_source=chatgpt.com)) --- ### Quick notes for real deployments - **Telnet is plaintext.** In modern installs, it should be kept on a controlled LAN/VLAN and not exposed directly to the public internet. (The product’s published interface is Telnet on port 23.) ([Tascam](https://tascam.jp/int/product/if-e100/top)) - **Model/firmware compatibility matters.** TASCAM explicitly points users to verify compatible models and firmware before installation. ([Tascam](https://tascam.jp/downloads/products/tascam/if-e100/6L_IF-E100_OM_vA3.pdf)) --- What is the TASCAM IF-E100? The TASCAM IF-E100 is an Ethernet control expansion card designed for professional AV installations. When installed into a compatible TASCAM media player, it transforms a standalone playback device into a network-managed endpoint. This allows for centralized remote control in environments like schools, hotels, restaurants, and retail spaces. Which media players are compatible with the IF-E100? The IF-E100 expansion card is specifically designed for use with TASCAM’s CD-400U and MP-800U media players, including their respective DAB (Digital Audio Broadcasting) variants. How does the IF-E100 control the media player over a network? The card connects to an IP network via a standard RJ-45 Ethernet port (100BASE-TX) and utilizes the Telnet protocol (Port 23). AV automation systems can connect to the player and send simple text commands to trigger play/stop actions, change configurations, and monitor the device remotely. What is the internal technology powering the IF-E100's network connection? The IF-E100 utilizes the WIZnet WIZ750SR, a compact serial-to-Ethernet module. This embedded module acts as a bridge, instantly converting the media player's internal serial control signals into TCP/IP data. By using this OEM building block, TASCAM successfully adds reliable IP connectivity without needing to engineer a custom network stack from scratch. Why upgrade to IP control instead of standard RS-232? While compatible players like the CD-400U already support RS-232C serial control, standard serial wiring is difficult to route over long distances. Adding the IF-E100 allows integrators to route control signals across standard IT infrastructure, existing building networks, and VLANs, making centralized management much easier. Are there security considerations when deploying the IF-E100? Yes. The IF-E100 uses a numeric password (up to 10 digits, with a default of "400") for access control. However, because it relies on Telnet, commands are sent in plaintext. For this reason, the device should only be deployed on a controlled, secure LAN or VLAN, and should never be exposed directly to the public internet. ### References ```plaintext https://tascam.com/us/product/if-e100 https://tascam.jp/int/product/if-e100/top https://tascam.jp/int/support/news/5755 https://tascam.jp/int/contents/about https://docs.wiznet.io/Product/Modules/Serial-to-Ethernet-Module/WIZ750SR https://wiznet.io/products/serial-to-ethernet-modules/wiz750sr ``` --- Source: https://maker.wiznet.io/matthew/resellers/tascam-if-e100-ethernet-control-expansion-card-for-cd-400u-mp-800u/