These products are in full production and are recommended for new designs.

Add/Drop
Mux ASICs
AT4848
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AT1212
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AT1250
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Feature OC-48/12 Multi-Service ADM OC-12 Multi-Service ADM OC-12/3 Ethernet over PDH/SONET Mapper
Primary Differentiator Full Featured OC-48 MSADM Full Featured OC-12 MSADM Full PDH OC-12 Ethernet & Data SONET/PDH Mapper
MSADM Yes Yes
M13/E13 12 3 12
DS1/E1/DS3/E3 336/252/12/12 84/63/3/3 336/252/12/12
Network Fibers 4@OC-48/12 2@OC-12 None
Protection UPSR, 1+1, 1:N UPSR, 1+1 UPSR, 1+1
APS control Hardware/Software Hardware/Software Hardware/Software
Drop Fibers 4@OC-12/3 4@OC-3 4@OC-12/3
Drop EC-1 3 3
GbE 2 2 2
SPI-3 128 Ports 128 Ports 128 Ports
10/100 Ethernet 8 8 8
ESCON/DVB/FC 2 2 1
STS XC 384×384 159×159 132×132
TU3 XC 48×48 48×48 24×24
VT XC 2688×2688 2436×2436 1344×1344
DS0 XC 8K 8K
Expansion Interface 2x622Mbps 2x622Mbps
Total supported Hi/Lo/PDH VCAT/LCAS 128 VCGs 128 VCGs 128 VCGs
Max Hi-order VCAT/LCAS 48 VCGs 48 VCGs 48 VCGs
Max Lo-order VCAT/LCAS 128 VCGs 128 VCGs 128 VCGs
Max PDH VCAT/LCAS 128 VCGs 128 VCGs 128 VCGs
POH Pool Selectable 511 Selectable 511 Selectable 511
POH BER Pool Selectable 511 Selectable 511 Selectable 511
TCM Pool Selectable 511 Selectable 511 None
Clock Synthesizer Yes Yes Yes
Data-link Controllers 512 Channels 512 Channels 512 Channels
L2 Aggregation 256 Service Qs 256 Service Qs 256 Service Qs
Data Encapsulation ATM, GFP-T/F, PPP, HDLC, LAPS ATM, GFP-T/F, PPP, HDLC, LAPS ATM, GFP-T/F, PPP, HDLC, LAPS
Redundancy Controller Yes Yes Yes
Ext DDR2 VCAT Delay RAMs 2x32Mx16@ 200MHz 2x32Mx16@ 200MHz 2x32Mx16@ 200MHz
Ext DDR2 Agg Buffer RAMs 3x32Mx16@ 200MHz 3x32Mx16@ 200MHz 3x32Mx16@ 200MHz
Ext ZBT RAMs 1x512Kx36 1x512Kx36 1x512Kx36
Micro Bus Type Generic 32-bit Generic 32-bit Generic 32-bit
Typical Power 8.5 Watts 5-7 Watts 5 Watts
Package HFC-BGA1296 HFC-BGA1296 HFC-BGA1296
Operating Temperature -40 ~ +85 °C -40 ~ +85 °C -40 ~ +85 °C
RoHS Conform Yes Yes Yes