Interface Card and Interface Module Manual
H3C MSR 20/30/50 Series Routers
Chapter 2 Smart Interface Cards
2-29
z
Crossover cable: The wire sequences of twisted pair cable crimped in the RJ-45
connectors at both ends are different. It can be used to connect two terminal
devices (such as PCs and Routers).
For the pinouts, identification and making methods of these two kinds of network cables,
see
Low-End and Mid-Range Series Routers Cable Manual
.
2.8.5 Connecting the Interface Cable
I. Connecting Ethernet fiber interface cable
Caution:
When connecting optical fiber, note that:
z
Do not bend optical fiber with undue stress. The bend radius should be no less than
10 cm (3.9 in.);
z
Ensure that the Tx interface and Rx interface of the module are connected correctly;
z
Keep the sectional surface of optical fiber clean and free from dust.
Warning:
Laser Danger! Do not observe the optical fiber connector connected with laser;
otherwise, laser may damage your eyes.
Step 1: Plug SFP module into the corresponding SFP module slot.
Step 2: Locate the Rx optical port and Tx optical port on the module. Plug one end of
optical fiber into the Rx port of the module, and the other end into the Tx port of the peer
device. Plug one end of another optical fiber into the Tx port of the module, and the
other end into the Rx port of the peer device;
Step 3: Check the status of LINK LED on the GBE panel: ON means the Rx link is
connected and OFF means the Rx link is not connected. In the latter case, check the
line.
II. Connecting Ethernet electrical interface cable
Step 1: (Use a crossover cable for the connection to a PC/router and straight-through
cable to a Hub/LAN Switch.) Plug one end of the cable to an Ethernet port of the Router
and another end to the desired peer device;