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SIC-1VE1 47
Figure 40 SIC-1VE1 panel
The following table describes the LEDs on the SIC-1VE1 panel.
Interface Cable The interface cable of SIC-1VE1/SIC-1E1-F is a standard E1 G.703 which has two
types: 75-ohm non-balanced coaxial cable and 120-ohm balanced twisted pair
cable. The following figure illustrates these two types of cables.
■ 75-ohm non-balanced coaxial cable
Figure 41 E1 G.703 75-ohm non-balanced coaxial cable
75-ohm non-balanced coaxial cable connects SIC-1VE1 with the DB-15 connector
and the network end with the BNC connector.
n
A pair of coaxial connectors is available for extending the E1 cable. Both ends of
the connectors are BNC receptacles that can be used to connect two 75-ohm
non-balanced coaxial cables with BNC connectors.
■ 120-ohm balanced twisted pair cable
Figure 42 E1 G.703 120-ohm balanced twisted pair cable
120-ohm balanced twisted pair cable connects SIC-1VE1 with the DB-15
connector and network end with the RJ-45 connector.
Table 22 LEDs for the electrical interface on the left of SIC-1GEC panel
LED Description
LINK ON means carrier signal is received;
OFF means no carrier signal is received.
ACT OFF: No data is being received and
transmitted;
Blinking: Data is being received and
transmitted.