2.4.2. 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 2-23:
PSO TTL Outputs Specification
Specification
Value
Outputs (TTL)
5 V, 50 mA
Table 2-24:
TTL Output Pins on the PSO Connector
Pin # Description
In/Out/Bi
8
PSO Output 3 (5 V TTL) [A3200: PSO Output 2]
Output
9
Ground
N/A
10
PSO Output 2 (5 V TTL) [A3200: PSO Output 1]
Output
11
Ground
N/A
12
Ground
N/A
13
PSO Output 1 (5 V TTL) [A3200: PSO Output 0]
Output
Figure 2-26:
PSO TTL Outputs Schematic
2.4.2. PSO TTL Outputs
XR3 Hardware Manual
56
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