PSO TTL Outputs

This output signal is a 5V TTL signal which is used to drive an opto coupler or general purpose TTL input.

The TTL PSO outputs are active high and designed to drive a 50 Ω minimum load.

Table 2-24:     PSO TTL Outputs Specification

Specification	Value
Outputs (TTL)	5 V, 50 mA

Table 2-25:     TTL Output Pins on the PSO Connector

Pin #	Description	In/Out/Bi
8	PSO Output 3 (5 V TTL)	Output
9	Ground	N/A
10	PSO Output 2 (5 V TTL)	Output
11	Ground	N/A
12	Ground	N/A
13	PSO Output 1 (5 V TTL)	Output

Figure 2-29:     PSO TTL Outputs Schematic