Understanding The Cisco Unified Ip Phone 7975G Components; Network And Access Ports - Cisco 7975G Administration Manual

Chapter 3 Setting Up the Cisco Unified IP Phone
To avoid electric shock, do not connect safety extra low voltage (SELV) circuits to telephone network
Warning
voltage (TNV) circuits. LAN ports contain SELV circuits, and WAN ports contain TNV circuits. Some
LAN and WAN ports both use RJ-45 connectors. Use caution when connecting cables.
Caution Inline power circuits provide current over the cable. Use the Cisco provided cable or a minimum 24
AWG communication cable.
The following warnings apply when you use an external power supply.
Only use the proper Cisco approved external power supply. Reference the installation manual provided
Caution
with the phone.
This product relies on the building's installation for short-circuit (overcurrent) protection. Ensure that
Warning
a fuse or circuit breaker no larger than 120 VAC, 15 A U.S. (240 VAC, 10 A international) is used on the
phase conductors (all current-carrying conductors).
Warning The device is designed to work with TN power systems.
Warning The plug-socket combination must be accessible at all times because it serves as the main
disconnecting device.

Understanding the Cisco Unified IP Phone 7975G Components

The Cisco Unified IP Phone 7975G includes these components on the phone or as accessories for the
phone:
•
•
•
•

Network and Access Ports

The back of the Cisco Unified IP Phone includes these ports:
•
•
You can use either Category 3 or 5 cabling for 10-Mbps connections, but you must use Category 5 for
100 and 1000 Mbps connections.
OL-12642-01
Network and Access Ports, page 3-3
Handset, page 3-4
Speakerphone, page 3-4
Headset, page 3-4
Network port—Labeled 10/100/1000 SW on the Cisco Unified IP Phone 7975G
Access port—Labeled 10/100/1000 PC on the Cisco Unified IP Phone 7975G
Cisco Unified IP Phone 7975G Administration Guide for Cisco Unified Communications Manager 6.0
Understanding the Cisco Unified IP Phone 7975G Components
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