Cisco 2901 User Manual

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Cisco 3900 Series, Cisco 2900 Series, and Cisco 1900 Series Integrated Services Routers Generation 2 Software Configuration Guide
Chapter Configuring Next-Generation High-Density PVDM3 Modules
Glossary
Glossary
AGC—Automatic Gain Control.
BCN—Backward Congestion Notification.
CM—Connection manager (TDM).
COS—Class of service, 802.1p.
DA—Ethernet Destination Address.
DMA—Direct Memory Access.
DSA—Distributed Switch Architecture.
DSP—Digital Signal Processor.
DSPRM—DSP Resource Manager.
DTMF—Dual-tone multi-frequency.
ECAN—Echo Canceller.
EVSM—Extended Voice Service Module.
FC—Flex Complexity.
FPGA—Field-Programmable Gate Array.
HC—High Complexity.
HDLC—High-level Data Link Control Protocol.
HPI—Host Port Interface.
LC—Low Complexity.
MAC—Media Access Control.
MC—Medium Complexity.
McBSP—Multi-Channel Buffer Serial Port.
MTBF—Mean Time Between Failures.
MTP—Media Termination Point.
NTE—Named Telephone Events.
OIR—Online Insertion and Removal.
PCE—Packet Classification Engine.
PVDM3—Next generation Packet Voice Data Module.
PVDM2—PVDM hosting 5510 DSP.
QOS—Quality of Service.
REA—Ethernet Ready Announcement, like bootp message.
RI—Restart indication from DSP/Device.
RTP—Real-time Transport Protocol.
SA—Ethernet source address.
SGMII—Serial Gigabit Media Independent Interface.
SM—Service Module.
SRTP—Secure Real-time Transport Protocol.

Cisco 2901 Specifications

General

Operating altitude	0 - 3000 m
Non-operating altitude	0 - 4570 m
Storage temperature (T-T)	-40 - 70 °C
Operating temperature (T-T)	0 - 40 °C
Storage relative humidity (H-H)	5 - 95 %
Operating relative humidity (H-H)	10 - 85 %
Ethernet LAN	Yes
Cabling technology	10/100/1000BASE-T(X)
Networking standards	IEEE 802.1Q, IEEE 802.1ag, IEEE 802.3, IEEE 802.3ab, IEEE 802.3af, IEEE 802.3ah
Ethernet LAN data rates	10, 100, 1000 Mbit/s
Ethernet interface type	Gigabit Ethernet
DHCP client	-
Routing protocols	BGP, EIGRP, OSPF
Supported protocols	IPv4, IPv6, IS-IS, IGMPv3, PIM SM, SSM, DVMRP, IPSec, GRE, BVD, MPLS, L2TPv3, PPP, MLPPP, MLFR, HDLC, RS-232, RS-449, X.21, V.35, EIA-530, PPPoE, ATM
USB version	2.0
RS-232 ports	1
Expansion slots	4 x EHWIC 2 x DSP 1 x ISM
Ethernet LAN (RJ-45) ports	2
Firewall security	Cisco IOS
Input current	1.5 A
AC input voltage	100 - 240 V
Power source type	AC
AC input frequency	47 - 63 Hz
Power consumption (typical)	40 W
Product color	Black
Rack capacity	1U
Safety	UL 60950-1, CAN/CSA C22.2 No. 60950-1, EN 60950-1, AS/NZS 60950-1, IEC 60950-1
Flash memory	256 MB
Internal memory	512 MB
Electromagnetic compatibility	47 CFR, ICES-003, EN55022, CISPR22, AS/NZS 3548, VCCI V-3, EN 300-386, EN 61000, EN 55024, CISPR 24EN50082-1

Weight and Dimensions

Depth	439.4 mm
Width	438.2 mm
Height	44.5 mm
Weight	6100 g