MaxiMux System-on-chip STM-4 ADM

High Level Feature Overview

System on chip solution for STM-4 Add/Drop multiplexers or STM-1/4 tributary cards
Integrated lower order cross connect, internal timing and clock functions, 12 line ports and 12 expansion ports
Applications:

RS and MS overhead byte processing functions
Integrated clock data recovery and scrambling on STM-1 interfaces
Crossconnects: 81×78 VC-4, 1008×1008 VC-12, 48×48 VC-3
Pointer processing, overhead termination and protection schemes on VC-12, VC-3 and VC-4
Contiguous concatenation for VC-4-4c
Path monitoring to support SNCP protection and fault management
AIS, Unequipped and PRBS generators and monitors
G.813 SEC Stratum-3 network element timing
Dedicated external timing interface with 2 MHz and 2 Mbit/s modes
Access to DCC and User byte channels
Access to backplane overhead bytes
HDLC based in-band management channels over VC12
Performance monitoring
Fault management
Loopbacks
32 bit controller interface

Line and section Byte processing functions
Integrated clock data recovery and scrambling on all ports
28.5 Gb/s AU4/STS1 Higher Order crossconnect (549 STS1, 183 VC4)
7.5 Gb/s VC12/VT1.5/VC3 Lower Order crossconnect (4032 VT1.5, 3024 VC12, 144 LO-VC3)
Hardware assisted UPSR/SNC protection switching for VT1.5, VC12 and LO-VC3
SONET/SDH pointer processing, overhead termination and protection schemes
Contiguous Concatenation for VC-4-16c, VC-4-4c, STS-48c, STS-12c and STS-3c
AIS, Unequipped and PRBS generators and monitors
G.813 SEC, GR-1244 Stratum-3 network element timing
2MHz, E1 and DS1 timing interfaces
4 E1/DS1 ports
Telecom bus 8-bit, 155 or 622Mb/s
Flexible SONET/SDH overhead access ports
Access to backplane overhead Bytes
Access to 48 DCC channels
HDLC based in-band management channels via DS1 or E1
Performance monitoring
Fault management
Loopbacks
32-bit controller interface

Feature	Benefit
Multi-rate line interfaces	Optimal for flexible STM-1 or STM-4 line selection
CDR on all STM-N interfaces	No need for external clock data recovery or (de)mux device
Integrated CDR	Direct connection to SFP modules
Integrated G.813 SEC network clock	Low device overhead
Integrated clock generation and distribution	No need for external clock devices
Non blocking cross connects	Flexible grooming and protection switching of traffic
Optimized interface between mate devices	Straightforward design of protected ADM core cards

Metro Add/Drop Multiplexer or MSPP with multiple STM-1/4 ring closures
Line card: dual STM-1/4 ports with mate and tributary interfaces
Tributary card: 10 port STM-1/4 dual-rate SDH card with redundant backplane interfaces