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Rainbow Electronics DS33M33 User Manual

Abridged data sheet

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Rev: 111908

ABRIDGED DATA SHEET

DS33M30/DS33M31/DS33M33

Ethernet Over SONET/SDH Mapper

________________________ General Description

The DS33M30 family of products provides a compact
and efficient solution for transporting Gigabit Ethernet
traffic over OC-3/STM-1 optical networks. With the
addition of an optical transceiver, Ethernet PHY,
DDR SDRAM, and host processor, a complete
solution of GbE over OC-3/STM-1 can be
implemented. The family supports Ethernet over
SONET/SDH (EoS) at VC-4, “Next-Generation” EoS
high-order mapping with multiple concatenated

VC-3s, and Ethernet over PDH over SONET/SDH
(EoPoS) with up to three virtually concatenated
DS3/E3 tributaries. The supported frame
encapsulations include GFP-F, HDLC, cHDLC, and
X.86 (LAPS).

_______________________________ Applications

Ethernet Service Delivery Over SONET/SDH
Multiservice Provisioning Platforms (MSPPs)
Transparent LAN Services
LAN Extension

Maxim Integrated Products 1

Some revisions of this device may incorporate deviations from published specifications known as errata. Multiple
revisions of any device may be simultaneously available through various sales channels. For information about device
errata, go to:

www.maxim-ic.com/errata

. For pricing, delivery, and ordering information, please contact Maxim Direct at

1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com.

_____________________________________Features

Support for EoS in One STS-3c/VC-4, EoS

Over Up to Three Concatenated STS-1/VC-3s,
and EoPoS Over Up to Three Concatenated
DS-3s

Two Independent 155.52Mbps SerDes Ports

One 10/100/1000 IEEE 802.3 Ethernet MAC

Port

Configurable MII/RMII/GMII MAC Interface

GFP/LAPS/HDLC/cHDLC Encapsulation

IEEE 802.1Q VLAN and Q-in-Q Support
Add/Drop OAM Frames from μP Interface

Quality of Service (QoS) Support

Traffic Policing Through CIR/CBS

Classification Through PCP or DSCP

Supports Up to 512Mb DDR SDRAM Buffer

SPI™ and Parallel Microprocessor Interfaces

1.8V, 2.5V, 3.3V Supplies
Features continued in Section

1

.

_________________________ Functional Diagram

VCAT /

LCAS

DS3/E3

Framers

G

FP

/ HDLC / LAP

S

Traffic

Mg

mt

Advance

d

OAM

Etherne

t MAC

High-Order

Mapper

Framer B

3x VC-3

3

SERDES A

DS33M30/M31/M33

3

DS3 ADD/DROP (DS33M33 ONLY)

1 VC-4

SERDES B

SerDes B AND FRAMER B ON
(DS33M31/33 ONLY)

Framer A









______________________________________________________________________________Ordering Information

PART

SUPPORTED EoS/EoPoS

MODES

155Mbps PORTS

EXT. DS3/E3 LINE

PIN-PACKAGE

DS33M30N+

EoS at VC-4

1

No

144 CSBGA

DS33M31N+*

EoS at VC-4,

EoS at 3xVC-3,

EoPoS at 3xDS3

2 No

256

CSBGA

DS33M33N+

EoS at VC-4,

EoS at 3xVC-3,

EoPoS at 3xDS3

2

Yes (3)

256 CSBGA

+Denotes a lead-free/RoHS-compliant package.
*Future product—contact factory for availability.

SPI is a trademark of Motorola, Inc.

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