York YZ MODEL A - FIGURE 50 - Communications Block Diagram; FIGURE 51 - Optiview Panel to PC Serial Cable

JOHNSON CONTROLS
131
SECTION 6 - PRINTING
FORM 161.01-OM1
ISSUE DATE: 6/8/2018
6
The connector on the PC has male pins; therefore, the
mating cable needs to terminate DB9/F (female pin)
connector.
LD26723
MICRO
OPTIVIEW
R
TX1
G
RX1
PC
HYPERTERMINAL
EQ 232 Port
SC-EQUIP
COM 1
RS-232
TX
DB9
2
5
4
Port 2B
RX
TX
COM
GND
DSR
GTX
GRX
COM 4B
J2
8
4
2
J2
7
6
FIGURE 50 - COMMUNICATIONS BLOCK DIAGRAM
A serial cable to go from the OptiView Control Pan-
el to the serial port is available from the parts center
(P/N 075-90490-230)
LD26724
VIEW A-A
BLACK
RED
WHITE
GREEN
DRAIN
SIGNAL DB9 COLOR
TX Position 2 Black
RX Position 3 Red
DSR Position 4 White
GND Position 5 Green
FIGURE 51 - OPTIVIEW PANEL TO PC SERIAL CABLE