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Interface specifications
Table 89 Interface specifications
Item
Connector D15 D25
Number of connectors 2 1
Interface standard G.703, G.704
Interface rate 2.048 Mbps
Cable type
• E1 75-ohm unbalanced coaxial cable
• E1 120-ohm balanced twisted pair cable
• 120-ohm 4E1 conversion cable (MIM-4E1/MIM-4E1-F modules)
• 75-ohm 4E1 conversion cable (MIM-4E1/MIM-4E1-F modules)
• 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-2E1/MIM-4E1)
FE1 (only supported by MIM-4E1-F)
Supported service
• Backup
• Terminal access service
• ISDN PRI (only supported by MIM-4E1)
Interface LEDs
Figure 59 MIM-2E1 panel
Figure 60 MIM-4E1 panel
Figure 61 MIM-4E1-F panel
Table 90 LED description
LINK/ACT
• On means carrier signal has been received.
• Flashing means data is being received or/and transmitted.
• Off means no carrier signal has been received.
LP/AL
• On means the interface is in a loopback.
• Flashing means an AIS, LFA, or RAI alarm signal is present.
• Off means no loopback or alarm is present.
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