Cisco 3945 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 3945 Specifications

General

Form Factor	Rack-mountable
Maximum Throughput	75 Mbps
Product Type	Router
Connectivity Technology	Wired
Data Link Protocol	Ethernet, Fast Ethernet, Gigabit Ethernet
Operating System	Cisco IOS
Flash Memory	256 MB
Network/Transport Protocol	IPSec
Remote Management Protocol	SNMP
Encryption Algorithm	DES, AES
Features	Firewall, VPN, Quality of Service (QoS), VLAN support
Interfaces	2 x USB
Security Features	Intrusion Prevention System (IPS)
Operating Temperature	32 °F to 104 °F (0 °C to 40 °C)
Storage Temperature	-4 °F to 149 °F (-20 °C to 65 °C)
Humidity	10 - 85% (non-condensing)
Memory	2 GB
Expansion Slots	4 (free) x EHWIC ¦ 2 x service module ¦ 1 x ISM ¦ 1 x CompactFlash Card