Campbell SAT ARGOS Manual do Utilizador Página 256

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ZENO
®
-3200 USER MANUAL
Coastal Environmental Systems (206) 682-6048
Page 248
The 25 pins have the following functions:
Revision A Revision D
Pin COM Port Function COM Port Function
1 Earth Ground COM2 RI (Ring Indicator) or
COM2 DCD asserted low
2 COM2 (RS232) TXD (Transmit Data) COM2 (RS232) TXD (Transmit Data)
3 COM2 (RS232) RXD (Receive Data) COM2 (RS232) RXD (Receive Data)
4 — PTT (Push-To-Talk,
asserted low)
— PTT (Push-To-Talk,
asserted low)
5 COM2 (TTL) RXD (Receive Data
for GOES, ARGOS)
COM2 (TTL) RXD (Receive Data for
GOES, ARGOS)
6 COM2 (TTL) TXD (Transmit Data
for GOES, ARGOS)
COM2 (TTL) TXD (Transmit Data for
GOES, ARGOS)
7 — DGND (Digital
Ground)
DGND (Digital Ground)
8 DCD (Data Carrier
Detect, asserted low)
DCD2 (COM2 Data Carrier
Detect)
9 COM1 TXA (Audio Transmit
for Radio)
COM1 TXA (Audio Transmit for
Radio)
10 COM1 RXA (Audio Receive
for Radio)
COM1 RXA (Audio Receive for
Radio)
11 PTT (Same as Pin 4,
asserted low)
COM1 DCD1 (COM1 Data Carrier
Detect)
12 — DGND (Digital
Ground)
DGND (Digital Ground)
13 +12 VDC Switched A +12 VDC Switched A
14 COM2 or COM3*
(RS422)
Z COM1 TXD TTL
15 COM2 or COM3*
(RS422)
Y COM1 RXD TTL
16 COM3 CTS (Clear To Send,
same as COM3-Pin 8)
COM3 CTS (Clear To Send, same
as COM3-Pin 8)
17 COM2 (TTL) RXD (Receive Data,
not same as Pin 5)
COM2 (TTL) RXD (Receive Data, not
same as Pin 5)
18 COM2 (TTL) TXD (Transmit Data,
not same as Pin 6)
COM2 (TTL) TXD (Transmit Data, not
same as Pin 6)
19 +12 VDC +5 VDC Switched B
20 COM2 or COM3*
(RS422)
B COM3 (RS422) Z
21 COM2 or COM3*
(RS422)
A COM3 (RS422) Y
22 COM3 (RS485) B COM3 (RS485) B
23 COM3 (RS485) A COM3 (RS485) A
24 +12 VDC Switched C +12 VDC Switched C
25 Input Power Input Power
* Note: Jumper JP1 on main ZENO
®
-3200 board sets which port to use. It is normally set to COM3.
Consult with Coastal Environmental Systems about its usage and using RS422.
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