FEATURES
Supports up to eight ports of full-duplex10/100 Mbit/s Ethernet or a single port of full-duplex 1000 Mbit/s
Ethernet with standards-compliant flow control supported:
10/100 Mbit/s Ethernet interface supports SMII and SS-SMII
1000 Mbit/s Ethernet interface supports GMII
Ethernet Management interface (MDIO) for control and configuration of external connected PHYs
Provides IEEE 802.3 Management Statistics (RMON)
Supports multiple virtual concatenation groups from one Ethernet port based on VLAN tag identification
Supports multiple virtual concatenation groups to one Ethernet port based on the user’s configuration
Supports up to 16 virtual concatenation groups
Supports up to four priority queues, enabling time-sensitive data to have access to the network with
minimal delay
Provides RED algorithm for buffer management
Provides per-priority scheduling using Round Robin mechanism
Supports the following encapsulation/decapsulation protocols on a per port basis:
ITU-T G.7041, Generic Framing Procedure (GFP)
HDLC-like Framing, including the following protocols:
ITU-T X.86/X.85, Link Access Procedure SDH (LAPS)
RFC1662, Point-to-Point Protocol (PPP)
RFC3518, PPP Bridging Control Protocol (BCP)
Supports the following SDH mapping formats:
C-12/VC-12/TU-12/TUG-2/TUG-3/VC-4/AU-4/STM-1
C-3/VC-3/TU-3/TUG-3/VC-4/AU-4/STM-1
C-4/VC-4/AU-4/STM-1
Supports selection of VC-4, VC-3 or VC-12 virtual concatenation on a per virtual concatenation group
basis
Supports hitless Link Capacity Adjustment Scheme (LCAS) (ITU-T G.7042)
Supports up to 240ms (VC-12)/254ms (VC-3) of differential delay compensation
Supports TU-12/TU-3 pointer interpretation
Supports VC-12, VC-3 and VC-4 POH generation and termination
Full access VC-12, VC-3 and VC-4 POH through external serial interface
Provides byte-wide 19.44MHz Telecom Bus interface
Controlled High-Z output on Output Telecom Bus
Provides three bus timing modes for Output Telecom Bus
Supports per-port Ethernet side and SDH system side loopbacks for system level diagnostics
Provides 16-bit Intel/Motorola microprocessor interface
Provides an IEEE 1149.1 compliant JTAG test port for boundary scan
Operating Industrial temperature range: -40℃ ~ 85℃
Low power 1.8V core with 3.3V LVTTL I/O, LVPECL I/O and 2.5V SSTL_2 digital I/O
The maximum power consumption is 2.3W
27x27mm PBGA 352 package

APPLICATIONS
SDH Add/Drop Multiplexers SDH Terminal Multiplexers
Multi-service Access Platform (MSAP) Customer Premises Equipment (CPE) platform
Test Equipment