Product manual

Setting FFSK Levels in a Radio-based System

111

Setting FFSK Levels in a Radio-based System

Model 26 FFSK Transmit Level

Set the Model 26 Transmit level by performing the following steps. The jumper positions

on the Model 26 should be verified prior to setting up the system. See

Table 6 and Figure

27.

Table 6: Initial Model 26 Jumper Positions

Jumper # Description Positions Align. Position

JP-1 Address line A14 to Ram Always A = Yes A

JP-2 AGC Applied to FFSK RCV Data Always B = No B

JP-3 Enable VOX Always A = Enabled A

JP-4 RS422 COMM Baud Almost Always C = 9600 Trace on PCB

JP-5 RS232 COMM Baud Almost Always C = 9600 C

JP-6 RS422 600 Ohm Termination Almost Always B = Yes B

JP-7 Special CPU Mode Always None None

JP-8 COR Pull-up/none/Pull-down A = None

B = Pull up

C = Pull down

JP-9 600 Ohm 4W RCV Termination A = yes if this Model 26

Primary

A(B)

JP-10 FFSK Transmit Level A = TEL

B = PWR

C = Radio

A (B, C)

JP-11 600 Ohm 2W RCV Termination A = yes if this Model 26

Primary

A (B)

JP-12 RS232 Pin 2 Function A = Std

B = Zetron