參數(shù)資料
型號(hào)： PSM2000ACD
英文描述： PSM2000ACD Webchip Module(網(wǎng)絡(luò)通信控制器模塊(由PS2000ACQ,RS-232驅(qū)動(dòng)器,RS*485驅(qū)動(dòng)器及嵌入式Modem構(gòu)成))
中文描述： PSM2000ACD Webchip模塊（網(wǎng)絡(luò)通信控制器模塊（由PS2000ACQ和RS - 232驅(qū)動(dòng)器，恏巴* 485驅(qū)動(dòng)器及嵌入式調(diào)制解調(diào)器構(gòu)成））
文件頁(yè)數(shù)： 16/17頁(yè)
文件大?。?/td> 404K
代理商： PSM2000ACD
PSM2000ACD WebChip Module Datasheet
Doc. Number:
INHD002
Version 1.0
8/20/2001
8 Troubleshooting
Number
Troubles
Troubleshooting
1
After connecting to the
supply, the status indicator
of PSM2000ACD doesn’t
turn on
1.
Check if the hardware connection is correct
2.
Check if PSM2000ACD is initialized by user’s program correctly
2
After connecting to the
supply, the status indicator
of PSM2000ACD turns on,
but the
PSM2000ACD
doesn’t work in RS-232
mode normally
1.
Check if the TXD of PSM2000ACD is connected to pin 2 of DTE,
the RXD of PSM2000ACD is connected to pin 3 of DTE, and pin 5
of DTE is connected to GND
2.
Check if the baud rate of the PSM2000ACD is the same as that of
serial port of the PC
3.
Check if the serial port of the PC is connected correctly
4.
Check if pin 9 of the PSM2000ACD is connected to pin 10 of
PSM2000ACD directly
5.
Check if the access device ID configured by the gateway software is
the same as the one that was printed on the label on the board
3
After connecting to the
supply, the status indicator
of PSM2000ACD turns on,
but the PSM2000ACD
doesn’t work in RS-485
mode normally
1
Check if the serial port of the
PC in which gateway software is
programmed has a RS-232 to RS-485 connector
2
Check if ID of the device accessed by the gateway is the same as that
of the board
3
Check if the PSM2000ACD is initialized by user’s program correctly
4
Check if terminal A and B of RS-485 is connected correctly
5
Check if pin 9 of the PSM2000ACD is connected to pin 12 of the
PSM2000ACD directly
6
Check if the baud rate of the PSM2000ACD is the same as that of
serial port of the PC
4
After connecting to the
supply, the status indicator
of PSM2000ACD turns on,
but the PSM2000ACD
doesn’t work in Modem
normal mode
1.
In embedded Modem mode:
Check if pin 9 of the PSM2000ACD is connected to pin 11 of the
PSM2000ACD directly, pin 13 should be connected to pin 15 directly
2.
In standard Modem mode:
Check if pin 9 of the PSM2000ACD is connected to pin 10 of the
PSM2000ACD directly, pin 13 should be connected to pin 14 directly
3.
Check if there is dial tone on the telephone line
4.
Check if user’s program has a valid telephone number
P&S DataCom Corporation
Page
16
of
17
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