Juniper Networks M20 manual ATM2 OC3/STM1 IQ PIC

ATM2 OC3/STM1 IQ PIC

ATM2 OC3/STM1 IQ PIC

Software release ■ JUNOS 5.5 and later

Description	■ Two OC3 ports
	■ Power requirement: 0.41 A @ 48 V (20 W)
	■ Intelligent queuing (IQ) PICs support fine-grained queuing per logical interface
	■ Conforms to ANSI T1.105-1991 and T1E1.2/93-020R1
	■ ATM and SONET/SDH 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
Hardware features	■ Single 3010 SAR for segmentation and reassembly into 53 byte ATM cells
	■ High-performance parsing of SONET/SDH frames
	■ ASIC-based packet segmentation and reassembly (SAR) management and output port
	queuing
	■ 64 MB SDRAM memory for ATM SAR
	■ Packet buffering, Layer 2 parsing

ATM2 OC3/STM1 IQ PIC ■ 17