Vanguard ATRT-01_01B_01D User Manual
Page 8

Model ATRT-01 (v) Operating Instructions
Rev 02
May 02, 2002
7
7.0 ATRT-01 Operating Controls And Indicators
Figure 7-0. Model ATRT-01 Front-Panel Controls, Indicators, and Connectors
Fig. 7-0 Index
Panel Markings
Functional Description
1
RS-232C
Computer-Interface port, 9-pin, female DB type
connector; RS-232C interface port allows ATRT-01
to interface with an IBM computer. Data rate is set to
19,200 baud, 1 start bit, 8 data bits, 2 stop bits, and
no parity bit. Connector pin functions are:
PIN SIGNAL
2 Tx
3 Rx
5 Gnd
2
None (display)
LCD screen: 4 line by 20 character; back-lighted,
sunlight readable; Displays menus, test results, and
status readouts.
3
None
High and Low voltage connector, 16-pin male.
4
120/220Vac, 1A, 50/60Hz
Input power connector and fused power switch with
third-wire safety ground.
5
None (Keypad)
Pushbutton operating controls, 16-keys.