CISCO 9800 Series key expansion module - DP-9800-KEM

The Cisco Desk Phone 9800 Key Expansion Module (KEM) enhances your desk phone by adding additional extension lines and programmable buttons. These buttons can be configured as line keys, speed dials, or other supported phone functions for increased efficiency and call management.

Key Features:

• Supports 40 lines with two pages of 20 buttons each
• Compatible with the following Cisco models:
  • Cisco 9851: Supports 1 KEM and up to 46 total lines (6 on phone)
  • Cisco 9861: Supports up to 3 KEMs and 130 total lines (10 on phone)
  • Cisco 9871: Supports up to 3 KEMs and 124–128 total lines depending on configuration (4 or 8 lines on phone screen)
• When using PoE (Power over Ethernet), only one KEM can be connected to Cisco 9861 and 9871 phones
• To connect two or three KEMs, an external power adapter is required
• The total number of supported lines includes both SIP lines and feature line keys (PLK), and may vary depending on the calling system the phone is registered to