Interface Card and Interface Module Manual
H3C MSR 20/30/50 Series Routers
Chapter 3 Multifunctional Interface Modules
3-29
Description
Attribute
MIM-8E1/MIM-8E1-F module
(75-ohm)
MIM-8E1/MIM-8E1-F module
(120-ohm)
Cable
characteristic
impedance
75-ohm 120-ohm
Operating mode
E1, CE1, ISDN PRI (only supported by MIM-8E1)
FE1 (only supported by MIM-8E1-F)
Supported
service
1) Backup
2) Terminal access service
3) ISDN PRI (only supported by MIM-8E1)
3.7.3 Interface LEDs
MIM-8E1 and MIM-8E1-F panels are similar. The following figures illustrate MIM-8E1
panels.
Figure 3-37
MIM-8E1 (120-ohm) panel
Figure 3-38
MIM-8E1 (75-ohm) panel
The following table describes the LEDs on the MIM-8E1/MIM-8E1-F panel:
Table 3-15
Description of the LEDs on the MIM-8E1/MIM-8E1-F panel
LED
Description
LINK
OFF means no link is present; ON means a link is present.
ACTIVE
OFF means no data is being transmitted or received. ON means
data is being transmitted or received.