H3C Technologies H3C MSR 50 - Manual (Page 136)

3-32
z
The E1-F modules do not support PRI mode.
Interface attributes
The interface attributes of MIM-1E1/MIM-2E1/MIM-4E1 and MIM-1E1-F/MIM-2E1-F/MIM-4E1-F are
given in the following table:
Table 3-30 Interface attributes of MIM-1E1/MIM-2E1/MIM-4E1 and MIM-1E1-F/MIM-2E1-F/MIM-4E1-F
Description
Attribute
MIM-1E1/1E1-F module MIM-2E1/2E1-F module
MIM-4E1/4E1-F
module
Connector DB-15 DB-15 DB-25
Number of connectors 1 2 1
Interface standard G.703, G.704
Interface rate 2.048 Mbps
Cable type
z E1 75-ohm unbalanced coaxial cable
z
E1 120-ohm balanced twisted pair cable
z
120-ohm 4E1 conversion cable (MIM-4E1/MIM-4E1-F modules)
z
75-ohm 4E1 conversion cable (MIM-4E1/MIM-4E1-F modules)
z Coaxial connector, network interface connector and 75-ohm to 120-ohm adapter
(with BNC connector)
Operating mode
E1, CE1, ISDN PRI (only supported by MIM-1E1/MIM-2E1/MIM-4E1)
FE1 (only supported by MIM-1E1-F/MIM-2E1-F/MIM-4E1-F)
Supported service
z
Backup
z
Terminal access service
z
ISDN PRI (only supported by MIM-1E1/MIM-2E1/MIM-4E1)
Interface LEDs
MIM-1E1 and MIM-1E1-F panels are similar. The following figure illustrates a MIM-1E1 panel.
Figure 3-34 MIM-1E1 panel
cE1/PRI
The panels of MIM-2E1 and MIM-2E1-F are similar. The following figure illustrates a MIM-2E1 panel.
Figure 3-35 MIM-2E1 panel
MIM-4E1 and MIM-4E1-F panels are similar. The following figure illustrates a MIM-4E1 module.