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參數(shù)資料
| 型號(hào)： | XE1414C |
| 廠商： | Electronic Theatre Controls, Inc. |
| 英文描述： | Worldwide 14.4 KBPS Modem Module for Embedded Applications |
| 中文描述： | 全球14.4 Kbps調(diào)制解調(diào)器模塊為嵌入式應(yīng)用 |
| 文件頁數(shù)： | 7/18頁 |
| 文件大小： | 77K |
| 代理商： | XE1414C |
XECOM
(7)
XE1414C
Application Note: XE1414C Leased Line Operation
The XE1414C can support leased line applications. Because newer chipsets do not support automatic leased line
operation, the leased line handshake must be controlled by the local host.
Before attempting to establish the leased line connection, one modem must be defined as the originating modem and
one as the answering modem. The local host issues an ATD to initiate handshaking on the originating modem and ATA
to intiate the handshake on the answering modem. If the leased line connection is broken both local hosts must act to re-
initiate the handshake sequence.
No special configuration is required for leased line operation. Any modem configuration for error correction, data
compression, and flow control will work. Decribed below are some configuration options which may be beneficial in
your leased line application.
AT&C1
This command sets the operation of the Data Carrier Detect signal. With the &C1 setting Data Carrier Detect
becomes active whenever the modem detects a valid carrier signal and becomes inactive when that carrier
signal is lost. The local host can monitor Data Carrier Detect to determine whether or not the leased line
connection is intact.
AT+MS
This command controls the modem handshaking options. It can be used to limit the modem handshake to a
particular speed or protocol. The +MS command includes four selectable parameters; modulation, automatic
fallback during negotiations, minimum accepted data rate and maximum data rate. Setting the maximum and
minimum data rates to the same value will require the modem to connect at only the desired data rate. The
format and codes for the +MS command are shown below.
AT+MS modulation, auto negotiation, minimum data rate, maximum data rate<ENTER>
Modualtion Type
V21
V22
V22B - V.22bis (2400 BPS)
V23
- V.23 (1200 BPS Half Duplex)
V32
- V.32 (9600 BPS)
V32B - V.32bis (14,400 BPS)
B103 - Bell 103 (300 BPS)
B212 - Bell 212 (1200 BPS)
- V.21(300 BPS)
- V.22 (1200 BPS)
Auto Negotiation
0 - Automode disabled
1 - Automode enabled
Minimum Data Rate
or
Maximum Data Rate
300
1200
2400
4800
7200
9600
12000 - 12,000 BPS
14400 - 14,400 BPS
- 300 BPS
- 1200 BPS
- 2400 BPS
- 4800 BPS
- 7200 BPS
- 9600 BPS
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| XE1414C-ITR | Worldwide 14.4 KBPS Modem Module for Embedded Applications |
| XE2003 | CAPACITIVE SENSOR INTERFACE CIRCUIT WITH GAIN AND OFFSET ADJUSTMENT |
| XE2401L | Silver Mica Capacitor; Capacitance:100pF; Capacitance Tolerance: 2%; Series:CD15; Voltage Rating:500VDC; Capacitor Dielectric Material:Mica; Termination:Radial Leaded; Lead Pitch:5.9mm; Leaded Process Compatible:No RoHS Compliant: No |
| XE2420 | Silver Mica Capacitor; Capacitance:100pF; Capacitance Tolerance:+/- 2%; Series:CD15; Voltage Rating:500VDC; Capacitor Dielectric Material:Mica; Termination:Radial Leaded; Lead Pitch:5.9mm; Leaded Process Compatible:Yes RoHS Compliant: Yes |
| XE2420-ITR | 2400 BPS Surface-Mountable Integrated Sealed-Hybrid Modem |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| XE1414C-ITR | 制造商:Cermetek Microelectronics 功能描述:WORLDWIDE 14.4 KBPS MODEM MODULE FOR EMBEDDED APPLICATIONS |
| XE1414L | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Telecommunication IC |
| XE1414M | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Telecommunication IC |
| XE1414P | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Telecommunication IC |
| XE1414V | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Telecommunication IC |
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