Cisco 12000 4-Port OC-3/STM-1 ATM Line Card [Cisco Line Cards]

Data Sheet

Cisco 12000 Series Internet Router Four-Port OC-3c/STM-1c ATM Line Card

Overview

The four-port OC-3c/STM-1c ATM line card expands the connectivity options for the Cisco 12000 series Internet routers so that service providers can attach the Cisco 12000 series router directly to their existing ATM infrastructure. This allows Internet service providers (ISPs) to offer wire-speed Internet access via ATM virtual circuits (VCs). The new line card performs the segmentation and reassembly (SAR) of IP packets in accordance with RFC 1483, Multiprotocol Encapsulation over ATM Adaptation Layer 5 (AAL5).

The Cisco 12000 series ATM line cards enable the integration of legacy ATM networks with next-generation IP backbones in a multitude of ways. The following applications provide several examples of how the ATM line cards for the Cisco 12000 series will be used by service providers to build tomorrow's Internet.

Application 1: ATM WAN Connectivity

With the use of the Cisco 12000 series ATM line cards, service providers can now offer Internet connectivity to enterprise customers via an ATM network. (See Figure 1.)

Figure 1 ATM Network for WAN Services

Application 2: Inter-POP Connectivity

Using the Cisco 12000 series ATM line cards, service providers can interconnect their points of presence (POPs) via a core ATM network. (See Figure 2.)

Figure 2 ATM Network for POP Interconnection

Application 3: DSL Aggregation

Service providers that provide digital subscriber line (DSL)-based Internet access will connect to their Internet backbones via the Cisco 12000 series Internet routers ATM line cards. (See Figure 3.)

Figure 3 ATM Network for DSL Aggregation

Feature Summary

Packet Layer

OC-3 line-rate forwarding on all four ports for packet sizes greater than 280 bytes
Cisco Express Forwarding (CEF) table that can accommodate up to 1 MB of forwarding entries
Interleaved IP Version 4 (IPv4) and Multiprotocol Label Switching (MPLS) (Tag Switching) packets
IP and MPLS load balancing on up to six paths
Committed Access Rate (CAR)
Access control lists (ACLs) and extended access control lists (EACLs)
Maximum transfer unit (MTU) of 9188 bytes
Hardware-assisted IP multicast
64 MB of route table memory, expandable to 256 MB
128 MB of packet buffer memory, expandable to 256 MB
Packet/byte count, Synchronous Optical Network/Synchronous Digital Hierarchy (SONET/SDH) errors, queue size, and statistics without performance degradation (per port)

ATM Layer

Unspecified bit rate (UBR) transport over ATM AAL5
RFC 1577 Classical IP over ATM
RFC 1483 Multiprotocol Encapsulation over AAL5
User-Network Interface (UNI) 3.0 and 3.1 (including Integrated Local Management Interface [ILMI] support)
F5 Operation, Administration, and Maintenance (OAM) cell processing
Support for up to 2048 VCs per port
Non-real-time variable bit rate (Nrt-VBR) VC-level traffic shaping on up to 4 VCs per port, 16 per line card
Virtual path (VP)-level traffic shaping

SONET/SDH Layer

Standards-compliant SONET/SDH interface
Synchronization, including local (internal) or loop timed (recovered from network); 20-ppm clock accuracy over full operating temperature range; and pointer activity monitoring
Local (diagnostic) and line (network) loopback

Specifications

Physical

Occupies a single slot
Weight: 7.2 lb (3.3 kg)
Height: 14.5 in. (35.6 cm)
Depth: 18.5 in. (45.7 cm)

Environmental

Operating temperature: 32° to 104° F (0° to 40° C)
Storage temperature: -4° to 149° F (-20° to 65° C)
Relative humidity: 10 to 90%, noncondensing

Regulatory Compliance and Standards Conformance

SONET/SDH

Telcordia (Bellcore GR-253 as applicable)
ITU-T G.957 as applicable
ITU-T G.958 as applicable

Safety

UL 1950
CSA C22.2, No. 950
EN 60950
IEC 60950
ACA TS001
AS/NZS 3260
EN 60825 Laser Safety (Class 1)

Electromagnetic Emissions Certification

FCC Class A
AS 3548 Class B
EN 55022 Class B
VCCI Class B

Immunity

EN61000-4-2 ESD
EN61000-4-3 radiated immunity
EN61000-4-4 EFT
EN61000-4-5 surge
EN61000-4-6 low-frequency common immunity

Network Equipment Building Systems

GR-1089-Core—NEBS: EMC and safety

LEDs

Active—indicates port is enabled
Carrier—indicates valid SONET framing
Rx cell—indicates receipt of ATM cells
Alpha-numeric management display

Optical Power Characteristics

Product Number	Output Optical Power		Input Optical Power		Maximum Distance
	Minimum	Maximum	Minimum	Maximum
4OC3/ATM-IR-SC	-15	-8	-31	-8	15 km
4OC3/ATM-MM-SC	-18.5	-14	-30	-14	2 km *

* All multimode cards on the Cisco 12000 series use 1300-nm optics. Other products may use 850-nm optics for multimode. The specified maximum distance is valid only when the multimode card on the Cisco 12000 series is connected to another multimode card that uses 1300-nm optics.

Connector

SC connector (1300-nm transceiver for both single-mode and multimode fiber)

Network Management

CiscoView
Simple Network Management Protocol (SNMP)
Management Information Base II (MIB-II)
SONET Management Information Base (MIB) RFC 1595 supported through SNMP
ATM MIB (RFC1695)
Cisco AAL5 MIB

Ordering and Availability

Product Model Number	Product Description	Availability	Cisco IOS® Release
4OC3/ATM-MM-SC	Four-port OC-3/STM-1 ATM, multimode, SC connectors	Now	12.0(10)S*
4OC3/ATM-IR-SC	Four-port OC-3/STM-1 ATM, single-mode intermediate reach, SC connectors	Now	12.0(10)S*
MEM-GRP/LC-128 or MEM-GRP/LC-256	Code and route table memory options or four-port OC-3/STM-1 ATM line card	Now	-
MEM-DF-LC1-PKT-256	Packet memory option for the four-port OC-3/STM-1 ATM line card	Now	-

* The four-port OC-3/STM-1 ATM LC was introduced in the Cisco IOS Version 11.2(14)GS, but not all features indicated in this data sheet were supported at that point. For full functionality, Version 12.0(10)S is recommended.

Special Note

For additional information, please e-mail us at cs-12000@cisco.com or visit our Web site at:

http://www.cisco.com/go/12000series

Cisco Line Cards