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Interface cable – H3C Technologies H3C MSR 50 User Manual

Page 35

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2-15

Figure 2-13 SIC-2E1-F panel

The status description of the LEDs is given in the following table:

Table 2-14 Description of the LEDs on SIC-2E1-F panel

LED

Description

LINK/ACT

z

ON means carrier signal has been received.

z

Blinking means data is being transmitted or received.

z

OFF means no carrier signal has been received.

LP/AL

z

ON means the interface is in a loopback.

z

Blinking means an AIS, LFA, or RAI alarm signal is present.

z

OFF means neither loopback nor alarm is present.

Interface cable

Interface cables for SIC-2E1-F are standard E1 G.703 cables. E1 G.703 cables have two types: 75-ohm
unbalanced coaxial cables and 120-ohm balanced twisted pair cables. The appearance of the 75-ohm
unbalanced coaxial cable is shown as follows:

Figure 2-14 E1 G.703 75-ohm unbalanced coaxial cable

The 75-ohm unbalanced coaxial cable connects SIC-2E1-F with the DB-15 connector and the network
end with the BNC connector.

The SIC-2E1-F supports 75-ohm unbalanced coaxial cables only.

This manual is related to the following products: