3Com 6000 Series Installation Manual page 73

Interface Attributes
Panel and Interface LED
Interface Cable
demultiplex, and T12 to indicate T1-to-T2 multiplex or T2-to-T1 demultiplex.
"T23" and "T12" discussed here represent the demultiplex process.
Table 12 1-port T3 interface attributes
Attribute
Connector SMB
Connector 2
number
Interface G.703, G.704, G.752
standard
Interface 44.736Mbps
speed
Cable T3 cable (75-ohm coaxial cable)
Operating T3
mode CT3
Supported T3 leased line
service
The following figure illustrates an 1-port
Figure 15 1-port Channelized T3 FIC panel
The following table describes the LEDs on the card panel.
Table 13 LED description of 1-port T3 FIC
OFF means the link is not connected and ON means the link is
LINK
connected.
OFF means no data is being transceived on the interface and blinking
ACT
means data is being transceived.
1-port Channelized T3 FIC and 1-port E3 FIC use the same type of interface
cables and make the connection in the same way.
1-port Channelized T3 1CT3 (3C13889)
Description
T3 FIC panel.
Channelized
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