93
Supported services T3 leased line
Interface LEDs
Figure 109 HMIM-1CT3 panel
Table 145 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.
• Off means no loopback or alarm is present.
• Flashing means an alarm indication signal (AIS), loss of frame alignment (LFA)
signal, or remote alarm indication (RAI) signal is present.
Interface cables and connection methods
For more information about T3 interface cables and connection methods, see "E3/T3 interface."
HMIM-1E3T3
Introduction
HMIM-1E3T3 refers to the 1-port unchannelized E3/T3 interface module. The interface on the
module operates in T3 mode. It can transmit, receive, and handle one channel of T3 traffic, and
provide access for T3 data flows.
T3 represents the tertiary group rate (44.736 Mbps) of T system in the TDM system.
Interface specifications
Table 146 Interface specifications
Connector type SMB
Number of connectors 2
Interface standard
• G.703
• G.704
• G.751
Interface rate 44.736 Mbps
Cable type E3/T3 cable (75-ohm coaxial cable)
Operating mode T3
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