Juniper Networks M20 - Manual (Page 8)

ATM E3 PIC
■ JUNOS 4.3 and later Software release
■ Four E3 ports
■ Power requirement: 0.43 A @ 48 V (20.8 W)
■ Conforms to ANSI T1.105-1991 and T1E1.2/93-020R1
■ Asynchronous Transfer Mode (ATM) standards compliant
■ Alarm and event counting and detection
■ Compatible with well-known ATM switches
■ ATM switch ID, which displays the switch IP address and local interface name of the
adjacent Fore ATM switches
Description
■ OAM fault management processes Alarm Indication Signal (AIS) and Remote Defect
Indicator (RDI) cells
■ ASIC-based packet segmentation and reassembly (SAR) management and output port
queuing
■ 16-MB SDRAM memory for ATM SAR
■ Packet buffering, Layer 2 parsing
■ Configurable framing options:
■ G.751 direct mapping
■ G.751 with PLCP encapsulation (default)
■ G.832 ATM direct mapping
Hardware features
8 ■ ATM E3 PIC
M20 Internet Router PIC Guide: End-of-Life PICs