Ross Opengear FED-6943, User Manual, Page: 28 / 92

3–4 • FES-6941 Setup Fiber Ethernet Switch Transceivers User Manual (Iss. 04)
Cabling for the FES-6941-40A and FES-6941-40B
To calculate your fiber path link budget, refer to Table 3.2 on page 3-5 for optical budget
specifications. Each of the FES-6941-40A and FES-6941-40B supports 40km cable lengths.
FES-6941-40A
The FES-6941-40A is used with the 8320AR-056 Full Rear Module. Each rear module occupies
two slots and accommodates one card. This rear module provides one bi-directional optical port
and four RJ45 Ethernet 10/100/1000 ports. Refer to
Figure 3.4 for cabling designations.
Figure 3.4 Cable Connections for the FES-6941-40A
FES-6941-40B
The FES-6941-20B is used with the 8320AR-056 Full Rear Module. Each rear module occupies
two slots and accommodates one card. This rear module provides one bi-directional optical port
and four RJ45 Ethernet 10/100/1000 ports. Refer to
Figure 3.5 for cabling designations.
Figure 3.5 Cable Connections for the FES-6941-40B
Ethernet Port 3
Ethernet Port 4
Ethernet Port 2
Ethernet Port 1
1310nm
1550nm
Not Used
Ethernet Port 3
Ethernet Port 4
Ethernet Port 2
Ethernet Port 1
1550nm
1310nm