Filter
Top Products
3Com Router 5000 and Router 6000 v2.41
Module Guide
Chapter 3
Multifunctional Interface Modules (Router 5000)
3-56
Description
Item
Router 4-Port
E1 IMA MIM
(75-ohm)
Router 4-Port
E1 IMA MIM
(120-ohm)
Interface standard ITU-G.703, ITU-G.704
Interface rate 2.048 Mbps
Cable type E1 coaxial cable Shielded twisted pair
Cable characteristic
impedance
75 ohm 120 ohm
Max transmission
distance
500 m (1640.4 in.) 150 m (492.1 in.)
Operating mode ATM E1 standalone link /IMA binding mode
Service AAL5
Protocol PPPoA, PPPoEoA, IPoA, IPoEoA
Transmission rate CBR/VBR-rt/VBR-nrt/UBR
3.14.4 Panels and Interface LEDs
The following figures show the panels of the Router 4-Port E1 IMA MIM interface
cards:
Figure 3-60 Front panel of the 75-ohm Router 4-Port E1 IMA MIMinterface card
Figure 3-61 Front panel of the 120-ohm Router 4-Port E1 IMA MIMinterface card
The LEDs on the front panel of the Router 4-Port E1 IMA MIM interface card, as
described in the following table: