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參數(shù)資料
| 型號(hào)： | XE0204 |
| 廠商： | Electronic Theatre Controls, Inc. |
| 英文描述： | 2-Wire/4-Wire Telephone Line Interface |
| 中文描述： | 2-Wire/4-Wire電話線接口 |
| 文件頁(yè)數(shù)： | 1/8頁(yè) |
| 文件大?。?/td> | 39K |
| 代理商： | XE0204 |
XECOM
(1)
XE0204
XE0204
July 2000
2-Wire/4-Wire Telephone Line Interface
Description
The XE0204 provides a common telephone interface
for networks integrating two and four-wire telephone
connections. The XE0204 supplies two and four wire
leased line connections, and complies with FCC Part
68 Rules for 2-wire connections to the public switched
network.
The XE0204 supports voice, data and fax transfer at
speeds to 14,400 Bits Per Second, V.32bis data transfer
over two wires and V.33 data transfer over four wires.
The XE0204 is a complete DAA in a compact package.
It includes the telephone line transformers, loop current
holding circuit, ring detection, switch hook, two-to-four
wire convertor and four-wire switch. The small size of
the XE0204, just 1.5 square inches, allows the XE0204
to be used in most any application requiring connection
to the telephone network.
Features
* Small Size 0 1.5” x 1.08” 0.42”
* FCC Part 68 Compliant
* Integral Ring Detection
* Integrated Switch Hook
* Switchable between two-wire and four-wire lines
* Integral two-to-four wire convertor
* Integrated telephone line transformers
* 1500 volt isolation barrier between the telephone line
and host equipment
* Supports both dial-up and leased line applications
* Supports 14,400 BPS data transfer; V.32bis (2-wire),
V.33 (4-wire)
* Operates on a single +5 Volt supply
* Standard Operating Temperature Range 0C to 70C
Optional operating range, -40C to 85C available
XE0204 Block Diagram
2 to 4 Wire
Convertor
XMIT
RCVR
Telephone
Line
Transformer
Loop
Current
Holding
Circuit
Tx Tip
Tx Ring
Hook
Switch
OH
Ring
Detect
/RI
Rx Tip
Rx Ring
4 Wire
Switch
Telephone
Line
Transformer
/4Wire
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