Cisco 7931G Administration Guide

D-2
Cisco Unified IP Phone 7931G Administration Guide for Cisco Unified Communications Manager 8.0 (SCCP and SIP)
OL-20798-01
Appendix D Technical Specifications
Cable Specifications
Cable Specifications
• RJ-9 jack (4-conductor) for handset and headset connection.
• RJ-45 jack for the LAN 10/100BaseT connection (labeled 10/100 SW).
• RJ-45 jack for a second 10/100BaseT compliant connection (labeled 10/100 PC).
• 48-volt power connector.
Network and Access Port Pinouts
Although both the network and access ports are used for network connectivity, they serve different
purposes and have different port pinouts.
Network Port Connector
Table D-2 describes the network port connector pinouts.
In this table, “BI” stands for bidirectional, and DA, DB, DC and DD stand for “Data A”, “Data B”,
“Data C” and “Data D”, respectively.
Access Port Connector
Table D-3 describes the access port connector pinouts.
In this table, “BI” stands for bidirectional, and DA, DB, DC and DD stand for “Data A”, “Data B”,
“Data C” and “Data D”, respectively.
Table D-2 Network Port Connector Pinouts
Pin Number Function
1BI_DA+
2BI_DA-
3BI_DB+
4BI_DC+
5 5BI_DC-
6 6BI_DB-
7 7BI_DD+
8BI_DD-
Table D-3 Access Port Connector Pinouts
Pin Number Function
1BI_DB+
2BI_DB-
3BI_DA+
4 BI_DD+
55BI_DD-

Cisco 7931G Specifications

General

Mounting	Desk/Wall
Handset type	Wired handset
Product type	IP Phone
Product color	Black
Wall mountable	Yes
Electromagnetic compatibility	FCC Part 15 (CFR 47) Class B, ICES-003 Class B, EN55022 Class B, CISPR22 Class B, AS/NZS CISPR 22 Class B, CISPR 24, VCCI Class B, EN55024, EN 50082-1, EN 61000-3-2, EN 61000-3-3, EN 61000-6-1
Wi-Fi	No
Networking standards	IEEE 802.1Q, IEEE 802.1af, IEEE 802.1p
Ethernet LAN interface type	Fast Ethernet
Supported network protocols	DHCP, TFTP, CDP
Lines quantity	24 lines
Phonebook capacity	- entries
Number of VoIP accounts	-
Voice codecs	G.711a, G.729A, G.729B, G.729ab
Volume control	Digital
Display resolution	192 x 64 pixels
Display number of lines	3 lines
Display number of colors	Monochrome
Storage temperature (T-T)	-10 - 60 °C
Operating temperature (T-T)	0 - 40 °C
Operating relative humidity (H-H)	10 - 95 %
Safety	(UL) 60950, (CSA) C22.2 No. 60950, EN 60950, IEC 60950, AS/NZS60950, TS 001
Number of handles included	1 pc(s)

Weight and Dimensions

Depth	229 mm
Width	203 mm
Height	178 mm
Weight	1360 g