Juniper Networks M20 manual ATM2 DS3 IQ PIC

ATM2 DS3 IQ PIC

ATM2 DS3 IQ PIC

Software release	■	JUNOS 6.1 and later
Description	■	Four DS3 ports
	■ Power requirement: 0.41 A @ 48 V (20.0 W)
	■ Intelligent queuing (IQ) PICs support fine-grained queuing per logical interface.
	■	ATM standards compliant
Hardware features	■	16-MB SDRAM memory for ATM segmentation and reassembly (SAR)
	■	ATM switch ID
	■	Configurable framing options:
		■ C-bit with ATM direct mapping
		■ C-bit with Physical Layer Convergence Protocol (PLCP) framing (default)
		■ M23 ATM direct mapping
		■ M23 with PLCP framing
	■ Internal and loop timing
Software features	■	Per-virtual circuit (VC) and per-virtual path (VP) traffic shaping
	■ Unspecified bit rate (UBR) traffic shaping
	■ Fine-grained variable bit rate (VBR) traffic shaping
	■ Circuit cross-connect (CCC)
	■ ATM Inverse Address Resolution Protocol (ARP), which enables routers to automatically
		learn the IP address of the router on the far end of an ATM permanent virtual circuit
		(PVC)
	■ Simple Network Management Protocol (SNMP):
		■ Management Information Base (MIB) 2 (RFC 1213)
		■ ATM MIB (RFC 1695)
		■	SONET MIB
	■	AAL5 encapsulations:
		■	ATM-VC-MUX
		■	ATM-NLPID
		■	ATM-Cisco-LLPID
		■	ATM-SNAP
		■	ATM-CCC-VC-MUX

ATM2 DS3 IQ PIC ■ 13