Cisco DP-9800-KEM-K9 (Cisco Desk Phone 9800 Series Key Expansion Module) Full English Datasheet

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Cisco DP-9800-KEM-K9 Desk Phone 9800 Key Expansion Module (KEM), Carbon Black TAA Compliant Accessory, Designed exclusively for Cisco Desk Phone 9800 Series IP Phones, Each module provides 20 backlit tri-color programmable BLF line keys with dual-page switching (total 40 programmable entries per KEM), USB-powered expansion accessory without independent power supply, Supports up to three cascaded KEM units on DP-9861 / DP-9871 and single KEM on DP-9851, Ideal for reception attendants, call center supervisors, executive assistants and high-volume multi-line enterprise deploymentsWebex.

Full Product Overview

The Cisco DP-9800-KEM-K9 is the dedicated Key Expansion Module (KEM) accessory for Cisco Desk Phone 9800 Series enterprise IP phones, engineered to expand programmable line, BLF presence monitoring and speed dial capacity for high-call-volume office roles.

Core Hardware & Functional Characteristics

1. Each KEM unit integrates20 physical backlit tri-color line keys, split into two switchable pages (Page 1 / Page 2), delivering up to 40 independent programmable functions per single KEM moduleWebex.
2. No built-in local power adapter; the KEM draws power directly from the host desk phone’s USB-A expansion port. PoE supplies sufficient power for one attached KEM; two or three cascaded KEMs require the external Cisco Power Adapter 3 for full power deliveryCisco.
3. Uniform carbon black industrial design matching the chassis of all 9800 series desk phones, with integrated foldable desktop stand and optional wall-mount bracket accessory (DP-9800-KEM-WMK=) for fixed wall deploymentCisco.
4. Plug-and-play USB connection with automatic detection by host 9800 series phones; all key programming, BLF monitoring and page navigation settings are configurable via the phone’s local LCD menu or CUCM/BroadWorks web administration portalWebex.

Host Phone Compatibility & Maximum Supported KEM Count

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DP-9841 supports limited single-KEM deployment, not recommended for heavy multi-line use casesWebex.

Primary Enterprise Deployment Use Cases

1. Front-desk receptionists, corporate lobby attendants and hotel guest service staff managing dozens of departmental extension lines.
2. Call center supervisors, team leads and contact center fleet managers requiring real-time BLF presence monitoring for all agent stations.
3. C-suite executive administrative assistants supporting multiple executive phone lines, shared hunt groups and intercom stations.
4. Enterprise PBX attendant consoles, multi-branch office centralized call handling and regulated financial/government wired-only high-security deployments.

Hardware & Physical Mechanical Specifications

Form Factor & Construction

• Chassis Material: Matte carbon black TAA-compliant reinforced scratch-resistant ABS polycarbonate, matching 9800 series host phone housings, Class A cosmetic finish, latex-free, RoHS compliant recyclable materialsCisco.
• Integrated Stand: Foldable adjustable desktop foot stand for variable viewing angles; optional wall-mount kit (DP-9800-KEM-WMK=) sold separately for vertical wall installationCisco.
• Unit Dimensions (H × W × D, stand folded): 226 × 126 × 48.5 mm (8.9 × 5.0 × 1.9 inches)
• Net Unit Weight (no cables): 483 grams (1.06 lbs)

Operating Environmental Parameters

• Operating Temperature Range: 0°C to +40°C (32°F ~ 104°F)
• Non-Operating Storage Temperature: -10°C to +60°C (14°F ~ 140°F)
• Relative Humidity: 10% – 90% non-condensing atmospheric humidity
• Maximum Operational Altitude: Up to 3000 meters above sea level

Global Compliance Certifications

FCC Part 15 Class B EMC, CE EMC 2014/30/EU, AS/NZS CISPR22, ICES-003, VCCI Class B; UL/CSA/EN/IEC 60950 / 62368-1 electrical safety; TAA Trade Agreements Act compliance; RoHS lead-free hazardous substance compliance.

Front Panel Key Layout & Functional Hardware

Key Array & Page Navigation

1. 20 backlit tri-color programmable physical line keys, evenly split on left and right sides of central blank LCD window (no built-in display; status feedback provided via host phone screen and key backlight LEDs).
2. Two dedicated page toggle hard keys labeled1and2at the bottom center of the module chassis for instant switching between the two programmable key pages.
3. Tri-color LED backlight per key: customizable red / green / amber status indicators for BLF line presence, active calls, ringing, hold status and speed dial feature identification.

Rear Panel Interfaces

1. USB-A male expansion connector with short attached cable for direct plug-in to the side USB-A port of compatible 9800 series host desk phones.
2. Multi-unit cascading USB pass-through port for daisy-chaining multiple KEM modules on DP-9861 / DP-9871 host phones.
3. No independent power barrel jack; all operating power sourced from host phone USB port.
4. Integrated mounting points for optional DP-9800-KEM-WMK wall-mount bracket kit.

Power Delivery Specifications

PoE Powered Single-KEM Deployment (All Compatible Host Phones)

• IEEE 802.3af Class 3 PoE supplied by corporate network switch to host desk phone, delivers sufficient 5V USB output power to drive one attached DP-9800-KEM-K9 module.
• PoE USB-A power output limit for single KEM: 0.15A / 0.75W at 5V DCCisco.

Multi-KEM Cascaded Deployment (DP-9861 / DP-9871 Only)

• Two or three daisy-chained KEM modules require the separate Cisco Power Adapter 3 external DC power supply connected to the host desk phone; PoE cannot supply adequate power for multiple KEM units simultaneously.
• External power adapter USB-A power output limit for multi-KEM setups: 0.5A / 2.5W at 5V DC per USB expansion portCisco.

Power Efficiency Compliance

Cisco EnergyWise power management framework compatible; KEM automatically enters low-power sleep mode during host phone idle deep-sleep cycles to reduce facility power consumption.

Core Programmable Feature Set & BLF Capabilities

Each of the 40 programmable key slots (20 keys × 2 pages) supports the following enterprise telephony functions configurable via CUCM, Webex Calling or BroadWorks SIP platforms:

1. BLF Busy Lamp Field line monitoring: Real-time tri-color LED status for remote extension idle, ringing, active call, hold, DND and forwarded status.
2. Direct station line appearance for shared executive lines, department hunt groups and attendant console extensions.
3. Speed dial one-touch calling for frequently dialed internal extensions, external PSTN numbers and conference bridge access codes.
4. Telephony feature shortcuts: Call park / park retrieval, transfer, conference, DND, intercom, group pickup, extension mobility login/logout.
5. XML enterprise application trigger keys for custom corporate dashboards, lobby alert systems and facility notification workflows (CCX compliant).

Page Navigation Functionality

The Page 1 / Page 2 toggle keys enable seamless switching between two independent 20-key programming banks without scrolling the host phone’s LCD screen, simplifying multi-line attendant operation for reception and call center staff.

Unified Communications Platform Compatibility

1. Cisco Unified Communications Manager (CUCM): Full feature support for all BLF monitoring, multi-line attendant console and speed dial functions; configurable via CUCM device administration web portal and phone local XML configuration files.
2. Webex Calling Cloud UCaaS: Native platform integration, supports up to maximum KEM count per host phone model, synchronized corporate LDAP directory BLF status.
3. BroadWorks Open SIP Platform: Complete KEM key programming, BLF presence synchronization and multi-page key configuration supported via BroadWorks device management interfaceWebex.
4. Cisco PhoneOS Unified Firmware: All 9800 series host phones require minimum compatible PhoneOS firmware versions for full multi-KEM cascading and dual-page KEM functionality.

Centralized Device Management & Troubleshooting Tools

1. Zero-Touch TFTP Auto-Provisioning: All KEM key programming templates, BLF monitoring assignments and page layout configurations can be pushed to host phones via centralized TFTP provisioning servers during device boot-up.
2. Host Phone Web Administration GUI: Complete KEM unit detection, key mapping, page navigation and LED color rule configuration accessible via the embedded HTTPS web server on each connected 9800 series desk phone.
3. Remote Packet Capture Diagnostics: Wired packet capture functionality on the host phone’s Ethernet port captures all KEM BLF status SIP signaling traffic for remote IT troubleshooting of line monitoring and key assignment faults.
4. PRT Problem Reporting Tool: The host phone’s Problem Reporting Tool generates consolidated diagnostic log archives including attached KEM hardware detection status, key programming tables and BLF signaling event logs for submission to Cisco TAC technical support.

Regulatory Compliance, Lifecycle Status & Warranty Information

Product Lifecycle Status

End-of-Sale (EoS) accessory for Cisco Desk Phone 9800 Series IP phones; Cisco has permanently ceased new original manufacturing production runs for DP-9800-KEM-K9. Limited refurbished surplus inventory is available through authorized Cisco third-party resellers globally. Cisco continues to release unified PhoneOS firmware maintenance updates for all compatible host phones to retain full KEM feature functionality, per official Cisco global product support lifecycle policy guidelines.

Standard Hardware Warranty

One-year limited Cisco worldwide commercial hardware warranty coverage valid across all global international geographic regions. Warranty covers manufacturing defects in all integrated KEM hardware components including chassis frame, backlit tri-color LED key switches, USB expansion cable, PCB control circuitry and page navigation buttons. Warranty coverage excludes physical accidental impact damage, liquid spill corrosion, scratch surface cosmetic wear, unauthorized third-party hardware modification and damage caused by improper non-Cisco external power adapters.

Accessory Ordering Information

1. Primary Product SKU: DP-9800-KEM-K9 = Cisco Desk Phone 9800 Key Expansion Module, Carbon Black (standard standalone KEM unit)
2. Optional Wall Mount Accessory SKU: DP-9800-KEM-WMK= = Dedicated wall-mount bracket kit for 9800 series KEM modules, sold separately
3. Mandatory External Power Supply for Multi-KEM Cascading Deployments: Cisco Power Adapter 3 (sold separately)
4. Compatible Host Desk Phone SKUs: DP-9851-K9 / DP-9851NR-K9 / DP-9861-K9 / DP-9861NR-K9 / DP-9871-K9 / DP-9871NR-K9