Instruction Manual

AT8901M Introduction
Page 1 - 6 AT8901M User Guide
Ethernet
Broadcom 56500/56300
GbE Switch
• 24 10/100/1000 Mbps Ethernet ports
• Fifth generation of StrataSwitch and StrataXGS product line
• Line-rate switching for all packet sizes and conditions
• On-chip data packet memory and table memory
• IPv6 routing and tunneling
• Advanced Fast Filter Processor (FFP) Content Aware classification
• Advanced security features in hardware
• Port-trunking and mirroring supported across stack
• Advanced packet flow control:
• Head-of-line-blocking prevention
• Back pressure support
• Eight QoS queues per port with hierarchical minimum/maximum shaping per
Class of Service (CoS) per queue per port
• Standard compliant 802.1ad provider bridging
• IEEE 1149.1 (JTAG) boundary scan
Broadcom 5466R
PHY
• Advanced power management Line-side and MAC-side loopback
• Ethernet@WireSpeed
• Cable plant diagnostics that detects cable plant impairments
• Automatic detection and correction of wiring pair swaps, pair skew, and pair po-
larity
• Robust CESD tolerance and low EMI emissions
• Support for jumbo packets up to 10 KB in size
• IEEE 1149.1 (JTAG) boundary scan
Interfaces
Backplane (Zone 2) • Base channel 1: 2 x Ethernet to ShMCs (10/100BASE-T)
• Base channels 2-16: 1 x GbE (1000BASE-T)
• CLK 1/2/3 (A/B)
• Update channels: 2 x GbE (1000BASE-BX)
RTM (Zone 3)
• 8 generic RTM channels from AMC Slot B1, 4 from B2
• SAS/SATA/FC interface for mass storage from each AMC Slot
• I2C IPMI connection
Front panel
• Serial port for management of PPC
• Fast Ethernet for management of PPC
• 4 RJ45 10/100/1000BASE-T Base Interface Uplinks
Table 1-3: AT8901M Main Specifications (Continued)
AT8901M SPECIFICATIONS