56
Interface LEDs
Figure 58 MIM-1POS panel
Table 88 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.
Note:
AIS = Alarm indication signal; LFA = loss of frame alignment; RAI = Remote alarm indication
Fiber ports, optical fibers, and the connection methods
For more information about fiber ports, optical fibers, and the connection methods, see "Fiber port."
E1/T1 interface module
• MIM-2E1
• MIM-4E1
• MIM-4E1-F
• MIM-8E1
• MIM-8E1-F
• MIM-2T1
• MIM-4T1-F
• MIM-8T1
• MIM-8T1-F
MIM-2E1/MIM-4E1/MIM-4E1-F modules
Introduction
• MIM-2E1/MIM-4E1
The 2-/4-port channelized E1/PRI interface module (MIM-2E1/MIM-4E1) transmits, receives,
and processes E1 data traffic. In addition, you can use the module for other purposes, such as
CE1 access and the ISDN PRI function.
• MIM-4E1-F
The MIM-4E1-F module differs from the MIM-2E1/MIM-4E1 module in the following ways:
The FE1 operating mode supported by the E1-F modules allows only one n × 64 kbps
bundle to be formed on each interface, where n = 1 to 31. However, an E1 module allows
arbitrary grouping of 31 channels and multiple bundles.
The E1-F modules do not support PRI mode.
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