Notifier LCD-80, Installation Manual

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PN 15037:D2 9/9/02 29
• Connect the EIA-232 interface to a CRT or personal computer.
• Reconnect 24 VDC power.
• Insert the PK-1 Programming Key onto connector P6.
• Program the LCD-80.
• Exit Program mode by removing the Programming Key.
• Reassembly is the opposite of disassembly.
2.7.4 Programming from the CRT Display
Monitor
Programming the LCD-80 from the CRT requires a custom cable and
a male DB-25 connector for connection to the display's EIA port. The
CRT must also be configured as outlined on the next page.
Figure 2-6 LCD-80/CRT Connection
Note: All EIA-232 circuit wiring to be power-limited and remain in
same room.
4
3
2
1
7
6
5
4
3
2
1
P1
P2
EIA-232 TX
EIA-232
Reference
EIA-232 RX
Male DB-25 connector (solder
cup side illustrated) for
connection to EIA port of a CRT
display terminal
Twisted shielded cable
LCD-80