Cabletron Systems 9A000 User Manual

The MCA-200 ATM Adapter provides ATM connectivity to MicroChannel-
based workstations, PCs, and servers, and has the following specifications:

On-board 25 mHz i960 cell processor with Micro Channel bus mas-
ter burst transfer capability

Special purpose, on-board hardware for HEC and AAL5 and 3/4 
calculations

100 and 140 Mbps TAXI (4B/5B encoding);
155Mbps SONET STS-3c/ SDH STM-1

Single-slot MicroChannel bus

ATM cell processing per ANSI T1S1.5/92-002R3, ITU I.361, and 
ATM Forum v3.0 UNI specification

Duplex 62.5/125 

µ

m multimode fiber (2 km max. run, 10 dB loss);

2-pair 100 ohm CAT 5 or CAT 5 screened UTP (100 meters max.)

ST and SC Types for multimode fiber; RJ-45 for CAT 5 UTP copper

256 kbytes on-board RAM

32-bit burst mode, bus master; “Fly-by,” scatter-gather DMA sup-
port; Supports block transfers up to 16 words; Full 32-bit datapath

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

0.6" H x 5.0" W x 9.4" D (1.5 cm x 12.7 cm x 23.8 cm)

8.3 oz. (235 g)

2A (maximum) @ +5V

32˚F to 104˚F (0˚C to 40˚C)

20% to 80%, non-condensing @ 40˚C

FCC Part 15, Class A Verification (UTP);
FCC Class B Certification (fiber-optic connectors)