Technical Details; Cable Specifications; Network And Computer Port Pinouts - Cisco 8800 Series Manual

Cable Specifications

Specification
Power
Cables
Distance requirements
For more information, see the Cisco IP Phone 8800 Series Data Sheet:
collaboration-endpoints/ip-phone-8800-series-multiplatform-firmware/datasheet-listing.html
Cable Specifications
The following information lists the cable specifications:
• RJ-9 jack (4-conductor) for handset and headset connection
• RJ-45 jack for the LAN 10/100/1000BaseT connection (10/100/1000 Network port on the phone)
• RJ-45 jack for a second 10/100/1000BaseT compliant connection (10/100/1000 Computer port on the
• 3.5-mm stereo line in/out jack (for optional external headset, speakers, or headphones), for Cisco IP
• 48-volt power connector
• USB ports/connectors:
• Three key expansion module (KEM) connectors which are considered as a USB connector for the Cisco

Network and Computer Port Pinouts

Although both the network and computer (access) ports are used for network connectivity, they serve different
purposes and have different port pinouts.
Cisco IP Phone 8800 Series Multiplatform Phone Administration Guide for Release 11.3(1) and Later
444
phone)
Phone 8861 only
• One USB port for the Cisco IP Phone 8851
• Two USB ports for the Cisco IP Phone 8861
IP Phone 8851 and 8861
Value or range
100-240 VAC, 50-60 Hz, 0.5 A when using the AC
adapter
48 VDC, 0.2 A when using the in-line power over the
network cable
Category 3/5/5e/6 for 10-Mbps cables with 4 pairs
Category 5/5e/6 for 100-Mbps cables with 4 pairs
Category 5e/6 for 1000-Mbps cables with 4 pairs
Note Cables have 4 pairs of wires for a total of
8 conductors.
As supported by the Ethernet Specification, the
maximum cable length between each Cisco IP Phone
and the switch is assumed to be 330 feet (100 meters).
https://www.cisco.com/c/en/us/products/

Technical Details