3Com Router 5000 and Router 6000 v2.41Module Guide Table of Contentsii2.5.1 Introduction............................................................................................................ 2-202.5.2 Appearance ........................................................................................................... 2-202.5.3 Interface Attributes ................................................................................................ 2-202.5.4 Interface LEDs....................................................................................................... 2-212.5.5 Interface Cable ...................................................................................................... 2-222.5.6 Connecting Interface Cable................................................................................... 2-222.6 Router 1-Port Analog Modem SIC ................................................................................... 2-232.6.1 Introduction............................................................................................................ 2-232.6.2 Appearance ........................................................................................................... 2-232.6.3 Interface Attributes ................................................................................................ 2-232.6.4 Interface LEDs....................................................................................................... 2-242.6.5 Interface Cable ...................................................................................................... 2-242.6.6 Connecting Interface Cable................................................................................... 2-252.7 Router 1-Port FXS SIC/FXO SIC and Router 2-Port FXS SIC/FXO SIC ........................ 2-252.7.1 Introduction............................................................................................................ 2-252.7.2 Appearance ........................................................................................................... 2-262.7.3 Interface Attributes ................................................................................................ 2-262.7.4 Interface LEDs....................................................................................................... 2-272.7.5 Interface Cable ...................................................................................................... 2-282.7.6 Connecting Interface Cable................................................................................... 2-282.8 Router 1-Port SAE SIC .................................................................................................... 2-292.8.1 Introduction............................................................................................................ 2-292.8.2 Interface Attributes ................................................................................................ 2-292.8.3 Interface LEDs....................................................................................................... 2-302.8.4 Interface Cable ...................................................................................................... 2-31Chapter 3 Multifunctional Interface Modules (Router 5000) ..................................................... 3-13.1 Router 2-Port FXS/FXO/E&M MIM Modules &Router 4-Port 4FXS/4FXO/4E&M MIM Modules ..................................................................... 3-13.1.1 Introduction.............................................................................................................. 3-13.1.2 Appearance ............................................................................................................. 3-13.1.3 Interface Attributes .................................................................................................. 3-23.1.4 Interface LEDs......................................................................................................... 3-33.1.5 Interface Cable ........................................................................................................ 3-43.1.6 Connecting Interface Cable..................................................................................... 3-63.2 Router E1 Voice Module.................................................................................................... 3-73.2.1 Introduction.............................................................................................................. 3-73.2.2 Appearance ............................................................................................................. 3-73.2.3 Interface Attributes .................................................................................................. 3-83.2.4 Interface LEDs......................................................................................................... 3-83.2.5 Interface Cable ........................................................................................................ 3-93.2.6 Connecting Interface Cable................................................................................... 3-103.3 Router T1 Voice Module .................................................................................................. 3-11