
| 71 | 
1-port  Channelized E3 FIC (3C13888)
The main functions of 1-port  Channelized E3 FIC include:
■Working in E3 mode, the card can transmit/receive and process the fast traffic of one E3 channel, as well as provide the accessing of E3 traffic.
■Working in CE3 mode, the card can provide the subscribers with the 
E3 represents the tertiary group rate of E system in the TDM system, that is, 34.368Mbps.Through the demultiplexing processes of E23 and E12, an E3 channel can be channelized into 16 E1 lines, each supporting both the operating modes of E1 and CE1. E23 is used to indicate either 
Interface Attributes
Table 13 1-port  Channelized E3 FIC Interface attributes
| Attribute | Description | 
| 
 | 
 | 
| Connector | SMB | 
| Connector number | 2 | 
| Interface standard | G.703, G.704, | 
| 
 | G.751 | 
| Interface speed | 34.368Mbps | 
| Cable | E3 cable | 
| 
 | |
| 
 | cable) | 
| Operating mode | E3 | 
| 
 | CE3 | 
| Supported service | E3 leased line | 
| 
 | 
 | 
Panel and Interface LED The following figure illustrates an 
Figure 13 1-port  E3 FIC panel
The following table describes the LEDs on the card panels.
Table 14 LED description of 1-port  E3 FIC
| LINK | OFF means the link is not connected and ON means the link is connected. | 
| 
 | 
 | 
| ACT | OFF means no data is being transceived on the interface and blinking means data | 
| is being transceived. | |
| 
 | 
 | 
Interface Cable The external interface provided by 
