Cable Specifications - Cisco 7800 Series Administration Manual

Cable Specifications

Specification
Weight
Power
Cables
Distance Requirements
Cable Specifications
• RJ-9 jack (4-conductor) for handset and headset connection.
• RJ-45 jack for the LAN 10/100BaseT connection (on Cisco IP Phones 7811, 7821, and 7861) and the
• RJ-45 jack for a second 10/100BaseT compliant connection (on Cisco IP Phones 7811, 7821, and 7861)
• 48-volt power connector.
Cisco IP Phone 7800 Series Administration Guide for Cisco Unified Communications Manager
8
Note The Cisco IP Phone 7811 does not contain a headset jack.
LAN 1000BaseT connection (on the Cisco IP Phone 7841).
and the LAN 1000BaseT connection (on the Cisco IP Phone 7841).
Value or Range
• Cisco IP Phone 7811— 0.84 kg
• Cisco IP Phone 7821 — 0.867 kg
• Cisco IP Phone 7841 — 0.868 kg
• Cisco IP Phone 7861— 1.053 kg
• 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
Cisco IP Phone 7811, 7821, 7841, and 7861:
• Category 3/5/5e/6 for 10-Mbps cables with 4
pairs
• Category 5/5e/6 for 100-Mbps cables with 4 pairs
Cisco IP Phone 7841: Category 5/5e/6 for 1000-Mbps
cables with 4 pairs
Cables have 4 pairs of wires for a total of
Note
8 conductors.
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