3Com MSR 30, MSR 20, MSR 50 manual Overview

12CHAPTER 1: OVERVIEW

1-port ATM 155 Mbps multi-mode fiber interface module (MIM-1AMM)

1-port ATM 155 Mbps single-mode fiber interface module (MIM-1ASM)

1-port ATM 155 Mbps single-mode long-haul fiber interface module (MIM-1ASL) 1-port 34 Mbps ATM-E3 interface module (MIM-1AE3)

1-port 44 Mbps ATM-T3 interface module (MIM-1AT3)

8-port E1 ATM inverse multiplexing interface module (MIM-IMA-8E1)

4-port E1 ATM inverse multiplexing interface module (MIM-IMA-4E1)

8-port T1 ATM inverse multiplexing interface module (MIM-IMA-8T1)

4-port T1 ATM inverse multiplexing interface module (MIM-IMA-4T1)

1-port SDH/SONET interface module (MIM-1POS)

1-port channelized SDH/SONET interface module (E1) (MIM-1CPOS (E))

1-port channelized SDH/SONET interface module (T1) (MIM-1CPOS (T))

1-port dual-pair G.SHDSL interface module (MIM-SHL-4W)

Voice modules 2-port voice subscriber circuit interface module (MIM-2FXS) 2-port voice AT0 analog trunk interface module (MIM-2FXO)

2-port voice E&M analog trunk interface module (MIM-2E&M) 4-port voice subscriber circuit interface module (MIM-4FXS)

4-port voice AT0 analog trunk interface module (MIM-4FXO)

4-port voice E&M analog trunk interface module (MIM-4E&M) 1-port E1 voice interface module (MIM-1VE1)

1-port T1 voice interface module (MIM-1VT1)

2-port E1 voice interface module (MIM-2VE1)

2-port T1 voice interface module (MIM-2VT1)

2-port ISDN BRI S/T voice interface module (MIM-2BSV)

4-port ISDN BRI S/T voice interface module (MIM-4BSV)

Encryption modules Network data encryption module (NDEC) High-performance network data encryption module (HNDE)