STM1-2M CR MMF W/CPU-2 The STM1-2M MMF Card with CPU-2 is a local ATM (LATM) STM1 interface card operating at the SDH STM1 rate of 155 Mbps, with 32k cell buffering per card. The multi-mode fiber (MMF) optional interface has a typical range of 2km. The STM1-2M MMF Card is a single port card and is compliant to the requirements of the ATM Forum UNI Specification(Version 3.1) and the ATM Forum B-ICI Specification(Version 2.0). Requires a minimum of Release 4.2 for operational support. This card is designed to accept the optional Multi-Service Traffic Module (MSTM, 90-4724-01) or enhanced Traffic Shaping Module (eTM,90-7695-01) which, when installed, provides enchanced traffic management features. This card variant is shipped with R5.0 software. Note that only the eTM is supported for traffic shaping on the ESE. MD EFFECTIVITY DATE = AUGUST 1, 2004 AS PER PDN 9199.