Cisco 6800 Series Administration Manual page 26

Cable Specifications
Specification
Weight
Power
Cables
Distance Requirements
For detailed technical information about the phone, see the datasheet at:
https://www.cisco.com/c/en/us/products/collaboration-endpoints/ip-phone-6800-series-multiplatform-firmware/
datasheet-listing.html
Cable Specifications
• RJ-9 jack (4-conductor) for handset and headset connection.
• RJ-45 jack for the LAN 10/100/1000BaseT connection.
• RJ-45 jack for a second 10/100/1000BaseT connection.
• 5-volt power connector.
Cisco IP Phone 6800 Series Multiplatform Phones Administration Guide
12
Value or Range
6821: 1.005 lb. (456 g), excluding footstand and
handset
6841 and 6851: 1.356 lb. (615 g), excluding footstand
and handset
6861: 1.329 lb. (602.8 g), excluding footstand and
handset
• 100-240 VAC, 50-60 Hz, 0.5 A—When using
the AC adapter
• 6841 and 6861: 5 VDC, 2 A—When using the
in-line power over the network cable
• 6821 and 6851: 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 5/5e/6 for 1000-Mbps cables with 4
pairs
The Cisco IP Phone 6821 and 6861
Note
Multiplatform Phones do not support
1000-Mbps.
As supported by the Ethernet Specification, it is
assumed that the maximum cable length between each
Cisco IP Phone and the switch is 100 meters (330
feet).
About the Cisco IP Phone