Instruction manual

Installing RIC-E3/ETH and RIC-T3/ETH 1
Quick Start Guide
If you are familiar with RIC-E3/ETH and RIC-T3/ETH interface converters, use this
guide to prepare the units for operation.
1. Installing RIC-E3/ETH and RIC-T3/ETH
Open the RIC-E3/ETH or RIC-T3/ETH case by releasing the two rear panel screws
and sliding out the PCB interior of the unit.
Setting the Internal Jumpers
Setting the Main Board Jumpers
Set the main board jumpers according to the following table:
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
Selecting the E3/T3 Cable Length
Refer to the tables below and select the cable length, depending on your unit's
interface type: E3 or T3.
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.
T3 Cable Length Jumper Positions
JP1 JP2 JP3
0 ft – 225 ft Pins 2, 3* Pins 1, 2* Pins 2, 3*
225 ft – 450 ft Pins 1, 2 Pins 1, 2 Pins 1, 2
More than 450 ft Pins 1, 2 Pins 2, 3 Pins 1, 2
Note: The maximum cable length complies with ITU-T G.703.
* – Factory settings