FIC-1AT3 187
■ Four types of test measures: local cell loopback, local loopback, remote payload
loopback, and remote line loopback.
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You may equip your router with FIC-1AT3 cards to its full capacity. Yet, you are
recommended to install only one FIC-1AT3 on it, whatever its model is, to ensure
performance of some key services.
Interface Attributes The following table describes the interface attributes of the FIC-1AT3.
Interface LEDs The following figure illustrates the FIC-1AT3 panel:
Figure 229 FIC-1AT3 panel
The following table describes the LEDs on the FIC-1AT3 panel.
Interface Cable The interface that the FIC-1AT3 provides uses two SMB sockets for data
transmitting and receiving respectively. The ports adopt the 75-ohm unbalanced
transmission mode and are connected to the peer device using a pair of 75-ohm
unbalanced coaxial cables as shown in Figure 228. Several cable length options are
available.
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The FIC-1AT3 and FIC-1AE3 cards use the same type of cables for connection,
which are called E3/T3 cables in this manual.
Table 131 Interface attributes of the FIC-1AT3
Attribute FIC-1AT3
Connector SMB
Number of connectors 2
Interface standard G.703, G.704, G.823
Interface rate 44.736 Mbps
Interface cable E3/T3 cable (75-ohm coaxial cables)
Supported services ATM Traffic CBR, rt_VBR, nrt_VBR, UBR
Table 132 LEDs on the FIC-1AT3 panel
LED Description
LINK OFF means no link is present; ON means a
link is present.
ACT OFF means no data is being transmitted or
received; blinking means data is being
received or/and transmitted.
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