Cabletron Systems SFCS-1000, SFCS-200BX VMA-200 Technical Specifications, VMEbus modes supported

Hardware Specifications

C.3.11 VMA-200 Technical Specifications

The VMA-200 ATM Adapter provides ATM connectivity to Crimson, Onyx, Challenge XL, Challenge L, and Power Challenge machines, and has the fol- lowing specifications:

	Hardware
Architecture	On-board 25 mHz i960 cell processor
AAL Support	Special purpose, on-board hardware for HEC, CRC, and AAL5 and
	3/4 calculations
UNI	155 Mbps SONET STS-3c/SDH STM-1
Form Factor	Single-slot 6U or 9U VMEbus
Compliance	ATM cell processing per ANSI T1S1.5/92-002R3, ITU I.361, and
	ATM Forum v3.0 UNI specification.
Cabling	Duplex 62.5/125 ∝m multimode fiber (2 km max. run, 10 dB loss);
	2-pair 100 ohm CAT 5 or CAT 5 screened UTP (100 meters max.)
Connectors	ST and SC Types for multimode fiber; RJ-45 for CAT 5 UTP copper
Memory	256 kbytes on-board RAM
DMA Support	“Fly-by,” scatter-gather DMA support; VMEbus Master;
	A32/D32, 64 word maximum block transfers; A32/D64, 512 word
	maximum block transfers; Full 32-bit datapath
VMEbus modes supported	Master: A32/D32, A32/D64; Slave: A16/D16, A32/D32
	Requester: Level 3 only - fair requester; Interrupter: Level [7:1]
	Software

Transparent TCP/IP protocol interface

Enhanced-performance ATM Application Programming Interface (API) Library

SPANS Switched Virtual Circuit (SVC) signalling protocol

Permanent Virtual Circuits (PVC), Supports up to 1024 Virtual Circuit Identifiers (VCIs)

Application-controlled multicasting and broadcasting with recipient add and delete capabilities

Support for UNI 3.0 signalling, ILMI, LAN Emulation Services Clients, Classical IP

SNMP MIB access to adapter status, ATM cell statistics, cell errors, and VCI/VPI information

	General
Dimensions	6U: 0.6" H x 6.3" W x 9.2" D ( 1.5 cm x 16 cm x 23.4 cm)
	9U: 0.6" H x 14.4" W x 15.7" D ( 1.5 cm x 36.6 cm x 39.9 cm)
Weight	6U: 10.8 oz. (306 g), 9U: 32.5 oz. (922 g)
Power Requirements	2A (maximum) @ +5V; 50 mA@ + 12V
Operating Temperature	32˚F to 104˚F (0˚C to 40˚C)
Operating Humidity	20% to 80%, non-condensing @ 40˚C
Compliance	FCC Part 15, Class A Verification (UTP); FCC Class B Certification
	(fiber-optic connectors)
C-30