User Manual
- 13 - 
SC-port Pinouts 
SC-port to SC-port Cable Wiring 
ST-port Pinouts 
ST-port to ST-port Cable Wiring 
ATTENTION
This is a Class 1 Laser/LED product. To prevent damage to 
your eyes, do not stare directly into the laser beam. 
DIP Switch Settings 
DIP Switch 
Setting 
Description 
Quality of 
Service (QoS) 
ON 
Enable the Quality of Service to handle 
packet priorities in four WRR queues. 
QoS priority mapping matrix in each queue 
QoS 3bit 
priority 
7, 6  5, 4  3, 2  1, 0 
Queues 
3 
2 
1 
0 
WRR 
8 
4 
2 
1 
OFF 
Disable the Quality of Service. 
Broadcast 
Storm 
Protection 
(BSP) 
ON 
Enables broadcast storm protection (at a 
maximum of 2048 broadcast packets per 
second) for each Ethernet port. 
OFF 
Disables the broadcast storm protection. 










