Panasonic KX-TDA6178 24-Port Single Line Extension Card with Caller ID (also known as ECSLC24) is a high-density analog extension expansion module meticulously engineered for Panasonic KX-TDA and KX-TDE series IP-PBX systems, providing businesses across Bangladesh with the ability to connect up to 24 analog telephone extensions simultaneously on a single expansion card. This space-efficient, cost-effective solution enables organizations to dramatically expand their internal communication capacity while optimizing valuable expansion slot usage, making it the ideal choice for rapidly growing businesses, large-scale deployments, multi-floor offices, and enterprises requiring extensive employee extension connectivity with integrated caller identification capabilities on every port.
Designed for medium to large enterprises throughout Bangladesh’s commercial hubs including Dhaka, Chittagong, Sylhet, Rajshahi, and Khulna, such as expanding corporate offices in Gulshan, Banani, and Motijheel, call centers requiring numerous agent stations, manufacturing facilities in Gazipur and Narayanganj with widespread floor coverage, educational institutions across multiple buildings, hospitals and healthcare complexes in Dhanmondi and Uttara, hotels with extensive room telephony requirements, government offices, retail chains, BPO operations in Kawran Bazar, and multi-department organizations needing comprehensive internal communication infrastructure, the Panasonic KX-TDA6178 delivers unmatched port density that significantly reduces per-extension costs while maintaining professional-grade performance and reliability. With 24 ports on a single card, businesses can accommodate large teams, multiple departments, or entire floors of staff without consuming excessive expansion slots.
The ECSLC24 card supports comprehensive caller ID functionality on all 24 extension ports using FSK protocol, enabling sophisticated call management features including internal caller identification, call logging, detailed call accounting, and seamless integration with CRM systems and business applications throughout your organization. This high-capacity extension card is compatible with standard analog telephones, cordless phones, fax machines, and analog devices, providing maximum flexibility in endpoint selection while supporting essential telephony features including intercom, call transfer, call forwarding, call waiting, conference calling, and integration with the KX-TDA/TDE system’s advanced capabilities such as voicemail, automated attendant, and unified messaging. Whether you’re deploying telephony infrastructure for a new corporate tower in Bashundhara, expanding communication capacity for a growing call center in Chittagong, establishing campus-wide telephony for an educational institution in Sylhet, implementing comprehensive hotel room telephony in Cox’s Bazar, or simply need maximum extension density for your large-scale business operations, the KX-TDA6178 provides enterprise-grade capacity, reliability, and caller ID intelligence in the most space-efficient form factor available.
Panasonic KX-TDA6178 24-Port Single Line Extension Card Specifications
| Specification | Details |
|---|---|
| Product Model | KX-TDA6178 (ECSLC24) |
| Product Type | 24-Port Analog Extension Interface Card |
| Alternative Name | ECSLC24 (Enhanced Card Single Line Circuit 24-Port) |
| Compatible Systems | Panasonic KX-TDA100/200/600, KX-TDE100/200/600 Series |
| Number of Extension Ports | 24 Analog Extension Ports |
| Port Type | Single Line Analog Extension Interface |
| Impedance | 600 Ohm |
| Extension Voltage | DC 48V (Nominal Operating Voltage) |
| Ring Voltage | 75V AC RMS (Typical) |
| Ring Frequency | 20Hz to 25Hz |
| Frequency Response | 300Hz to 3400Hz (Standard Voice Band) |
| Caller ID Protocol | FSK (Frequency Shift Keying) on All 24 Ports |
| Caller ID Features | Internal Extension Number Display, Name Display |
| Digital Phone Support | No (Analog Phones Only) |
| Analog Phone Support | Standard Analog Telephones (DTMF/Pulse Dialing) |
| Fax Machine Support | Yes (Analog Fax Compatible) |
| Cordless Phone Support | Yes (Analog Base Station Compatible) |
| Installation Slot | Requires 1 Expansion Slot in PBX Cabinet |
| Port Density | 24 Extensions per Single Slot (Highest Density) |
| Hot-Swappable | No (System Power Off Required for Installation) |
| LED Status Indicators | Per-Port Activity and Status LEDs (24 LEDs) |
| Intercom Function | Full Intercom Support Between All Extensions |
| Call Transfer | Supervised and Unsupervised Transfer Supported |
| Call Forwarding | All Call Forward Features Supported (Internal/External) |
| Call Waiting | Supported with Compatible Analog Phones |
| 3-Way Conference | Supported via System Features |
| Call Pickup | Group Pickup and Directed Pickup Supported |
| Music on Hold (MOH) | Supported (System-Wide Feature) |
| Voice Paging | Supported with External Paging Interface |
| Door Phone Integration | Supported via System Configuration |
| Power Supply | Powered through PBX Main Unit |
| Power Consumption | Approximately 6W Maximum (Idle), Up to 15W (Full Load) |
| Operating Temperature | 0°C to 40°C (32°F to 104°F) |
| Storage Temperature | -20°C to 60°C (-4°F to 140°F) |
| Relative Humidity | 10% to 90% (Non-condensing) |
| Dimensions (W x D x H) | Approximately 150mm x 230mm x 35mm |
| Weight | Approximately 450g |
| Build Quality | Original Panasonic Manufacturing Standards |
| Compliance Standards | TIA/EIA Standards, CE Certified |
| Certification | Genuine Panasonic OEM Product |
| Warranty | Standard Manufacturer Warranty |










