Panasonic JB-3300 Technical Manual page 81

Serial Port Section
Time Out Error
Time Out Error
Se V.
Power Supply Unit
PDPC Basic Timing
~|Generator
Set RS-232C Select
rr Switch
75150 EIA Driver
75154 EIA Receiver
ge} RS-232C Interface
DC Power No
(-12 V) OK?
Y: 4GA-5
- +
Yes 12 v +5%
Is
RSCLK Signal ~>—2 =
OK? Y:7G-16
1.843 MHz
Yes
Select No
Switch OK?
Yes
Are
DTR.RTS No _
. 5 a
Signal OK? ¥:4GA-6,7
Yes
Are
CTS.DSR No _
Signal OK? ™
Y:5G-5,6
Yes
Is
IRQ4 Signal No
OK? Y:6D-6
Yes
| Interrupt Controller
Figure 9-18 (1/2)
II. 5.9 (h)
II. 5.10 (d)
II. 5.8