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參數(shù)資料
| 型號(hào)： | XE2476 |
| 廠商： | Electronic Theatre Controls, Inc. |
| 英文描述： | 2400 bps Plug-In Upgrade to CH1776 |
| 中文描述： | 2400 bps的插件升級(jí)到CH1776 |
| 文件頁(yè)數(shù)： | 3/12頁(yè) |
| 文件大?。?/td> | 96K |
| 代理商： | XE2476 |
PIN NAME
I/O
DESCRIPTION
6
D/V
O
The Data/Voice output can be used to drive a relay to connect an
auxiliary telephone handset. Data/Voice is high when the modem is off-
hook.
7
OH
O
Off-hook is an active high output which indicates that the XE2476 is
connected to the telephone line.
8
RXD
O
Received Data provides the serial data output from the modem. A logic
"high" represents a "mark" and a logic "low" represents a "space".
9
TXD
I
Transmit data provides the serial data input from the host. A logic
"high" represents a "mark" and a low represents a"space", TTL.
10
Test
-
The Test pin should be left unconnected at all times.
11
SPK
O
Audio output to the speaker. Function is determined by L & M
commands . This output cannot directly drive a low impedence
speaker. It can drive a 50k ohm load.
12
VO
O
The Modem Line Interface permits placement of non-modem signals on
the telephone line through the modem's telephone interface. VO must
be tied to VI for normal modem operation and open to place non-
modem signals on the line through VI.
13
VI
I
Voice Interface provides a path for non-modem signals to be placed on
the telephone line through the modem's telephone interface. VI must
be tied to VO for modem operation. Non-modem signals are placed on
VO to be placed on the telephone line.
14
TIP
—
Tip connection to the phone line(RJ11 pin3) from the internal DAA.
15
RING
—
Ring connection to the phone line(RJ11 pin4) from the internal DAA.
Caution: Observe design rules for Tip & Ring trace layout
16
Vcc
—
+5 Volt power for the modem.
17
GND
—
Ground reference for the modem.
18
RI
O
Ring Indicator provides an active high output whenever a ring signal
appears on the telephone line.
XE2476
XECOM\3
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| XE2486 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Miniature 2400 bps Modem Module |
| XE2496 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Telecommunication IC |
| XE2496M | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Telecommunication IC |
| XE24S100 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Complete 2.4 GHZ FHSS Transceiver |
| XE24S100C | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Complete 2.4 GHZ FHSS Transceiver |
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