Zeroing And Calibrating Using Ttl Inputs; Rmt I/O Port Ttl Inputs; Ttl Inputs Control Logic - Agilent Technologies E4419B User Manual

Zeroing and Calibrating Using TTL Inputs

You can use the TTL inputs on the rear panel Rmt I/O port to initiate zero
and calibration cycles on the power meter. The connector is an RJ-45
series shielded modular jack with the TTL input pins connected as shown
in Figure 2-3.
Figure 2-3: Rmt I/O Port TTL Inputs
1 2 3 4 5 6 7 8
The TTL inputs are active low and control the zero and calibration
functions as shown in Table 2-2
Table 2-2: TTL Inputs Control Logic
Input 1
Agilent E4419B User's Guide
Zeroing and Calibrating the Power Meter
Pin Number
1
2
3
4
5
6
7
8
Input 2
1 1
1 0
0 1
0 0
Power Meter Operation
Connection
none
Ground
Upper Window TTL Output
Lower Window TTL Output
TTL Input 1
TTL Input 2
Ground
Ground
Operation
None
CAL A
ZERO BOTH
CAL B
2-13