Datasheet

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Features
Specifications
Physical dimensions (H×W×D)
CP-7821: 207 x 206 x 28mm (exclude foot stand)
CP-7841: 207 x 206 x 28mm (exclude foot stand)
CP-7861: 207 x 265 x 28mm (exclude foot stand)
Weight
CP-7821: 867g
CP-7841: 868g
CP-7861: 1053g
Display
3.5” 396×162 pixels
Ethernet switch
The phone has a 10/100BASE-T (The Cisco
®
IP Phone 7821 & 7861) or a10/100/1000BASE-T (The
Cisco
®
IP Phone 7841) Ethernet connection through two RJ-45 ports, one for the LAN connection and the
other for a downstream Ethernet device connection like a PC
Phone casing composition
Polycarbonate acrylonitrile butadiene styrene (ABS) textured plastic
Power requirements
The phone is an interoperable IEEE 802.3af PoE (Class 1 device); 48 VDC is required; it can be supplied
locally at the desktop using an optional AC-to-DC power supply (CP-PWR-CUBE-3=). Use of the power
supply also requires the use of one of the corresponding AC country cords
Operational temperature
32 to 104°F (0 to 40°C)
Nonoperational temperature
shock
14 to 140°F (-10 to 60°C)
Humidity
Operating 10% to 90%, non-condensing
Non-operating 10% to 95%, non-condensing
Cosmetic
Cisco cosmetic class A
Certification and compliance
Regulatory Compliance
CE Markings per directives 2004/108/EC and 2006/95/EC
Safety
UL 60950 Second Edition
CAN/CSA-C22.2 No. 60950 Second Edition
EN 60950 Second Edition (including A11 & A12)
IEC 60950 Second Edition (including A11 & A12)
AS/NZS 60950
GB4943
EMC - Emissions
47CFR Part 15 (CFR 47) Class B
AS/NZS CISPR22 Class B
CISPR22: 2005 w/Amendment 1: 2005 Class B
EN55022: 2006 w/Amendment 1: 2007 Class B
ICES003 Class B
VCCI Class B
EN61000-3-2
EN61000-3-3
KN22 Class B
EMC - Immunity
EN55024
CISPR24
EN60601-1-2
KN24
Armadillo Light
Telecom
FCC Part 68 HAC
CS-03-HAC
AS/ACIF S004
AS/ACIF S040
NZ PTC 220
Industry Standards: TIA 810 and TIA 920
Industry Standards: IEEE 802.3 Ethernet, IEEE 802.3af and 802.3at