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參數(shù)資料
| 型號(hào)： | XE5620SM |
| 英文描述： | DIP. 2.175 in. by 1.00 in. by 0.30 in. |
| 中文描述： | 下跌。 2.175英寸由0.30英寸由一點(diǎn)零零英寸 |
| 文件頁(yè)數(shù)： | 3/19頁(yè) |
| 文件大?。?/td> | 124K |
| 代理商： | XE5620SM |
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XECOM
(3)
XE5620G
XE5620G Pin Configuration
Pin Descriptions
PIN
NAME
DESCRIPTION
1
/DCD
/DCD is an active low output from the modem. It can be used to indicate the presence of a
valid carrier signal. The AT&C command controls when the XE5620G asserts /DCD.
2
/CTS
/CTS is an active low output from the modem. When hardware flow control is active, the
modem asserts /CTS to indicate that it can accept data from the terminal equipment on /TXD.
3
RESET
RESET is an active high input which initiates a modem hardware reset. RESET must be active
for a minimum of 100 milliseconds for a proper modem reset sequence. No external reset is
required; if none is used the RESET signal should be left open.
4
/DSR
/DSR is an active low output from the modem. /DSR can be used to indicate that the modem
link is established. The AT&S command controls when the XE5620G asserts /DSR.
5
/RTS
/RTS is an active low input to the modem. When hardware flow control is active, /RTS indicates
to the modem that the host has data to send.
6
/DTR
/DTR is an active low input to the modem. /DTR can be used to indicate that the terminal is
availble for communications. The AT&D command determines how the modem will interpret
activity on /DTR.
7
/RXD
/RXD provides the path for received data and modem responses to be sent from the modem to
the host terminal equipment.
/DCD
/CTS
RESET
/DSR
/RTS
/DTR
/RXD
/TXD
1
2
3
4
5
6
7
8
9
24
23
22
21
20
19
18
17
16
RING
N/C
TIP
N/C
N/C
NP
NP
NP
NP
/RI
GND
SPKR
N/C
N/C
Vcc
10
11
12
13
14
N/C
15
TOP
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