3Com 3C13886 Installation Guide - Page 100
Panels and Interface LEDs, Description,
UPC - 662705478456
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3Com Router Module Guide Chapter 3 Multifunctional Interface Modules Description Item ROUTER ROUTER 4-PORT E1 IMA 4-PORT E1 IMA MIM (75-ohm) MIM (120-ohm) Connector quantity One Interface standard ITU-G.703, ITU-G.704 Interface rate 2.048 Mbps Cable type E1 coaxial cable Shielded twisted pair Cable characteristic 75 ohm impedance 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 3-56