Instruction manual

Chapter 2 Installation and Setup RIC-E3/ETH, RIC-T3/ETH Installation and Operation Manual
2-4 Installation and Setup
Table 2-1. Main Board Jumper Settings
Jumper Description Values Factory Setting
TIMING, JP1 Selects the clock source LBT – Receive clock
INT – Internal clock INT
AIS, JP2 Controls the AIS
transmission
ON – AIS is transmitted
OFF – AIS is not transmitted
ON
Setting the E3/T3 Interface Board Jumpers
The JP2 jumper, which is used for selection of the E3 cable length is located on the
E3 interface board of RIC-E3/ETH (see Figure 2-2 and Table 2-2).
JP2
1
2
3
Figure 2-2. E3 Interface Board Layout
Table 2-2. Selecting the E3 Interface Cable
Jumper Description Values Factory Setting
E3 Cable
Length Jumper,
JP2
Selects the E3
cable length
Pins 1, 2 – Cable length is from 0 to 300 ft
Pins 2, 3 – Cable length is more than 300 ft
Pins 1, 2
Note: The maximum cable length complies with ITU-T G.703.
The JP1, JP2 and JP3jumpers, which are used for selection of the T3 cable length
are located on the T3 interface board (see Figure 2-3 and Table 2-3).
JP3
JP2
JP1
1
2
3
Figure 2-3. T3 Interface Board Layout