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Interface specifications
Table 93 Interface specifications
Connector RJ-45
Number of connectors
• 2 (MIM-2T1 module)
• 4 (MIM-4T1-F module)
Interface standard
• G.703/T1.102
• G.704
• AT&T TR 54016
• AT&T TR 62411
• ANSI T1.403
Interface rate 1.544 Mbps
Cable type T1 cable (100-ohm shielding network cable)
Operating mode
CT1, ISDN PRI (MIM-2T1 module)
FT1 (MIM-4T1-F module)
Supported service
• Backup
• Terminal access service
• ISDN PRI (MIM-2T1 module)
Interface LEDs
Figure 64 MIM-2T1 panel
Figure 65 MIM-4T1-F panel
Table 94 LED description
LINK/ACT
• On means the carrier signal has been received.
• Off means no carrier signal has been received.
• Flashing means data is being transmitted or/and 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
Interface cables and connection methods
For more information about T1 interface cables and connection methods, see "T1 interface."