XE2420 Datasheet PDF - ETC
| Part Number | XE2420 | |
| Description | 2400 BPS Surface-Mountable Integrated Sealed-Hybrid Modem | |
| Manufacturers | ETC | |
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There is a preview and XE2420 download ( pdf file ) link at the bottom of this page. Total 16 Pages | ||
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XE2420
March 2002
2400 BPS Surface-Mountable Integrated Sealed-Hybrid Modem
Description
Xecom’s XE2420 provides a complete 2400 BPS
modem into an inexpensive miniature, surface-mount
package. Xecom’s new HyPLCC™ package (Hybrid
PLCC) makes it possible to meet the conflicting goals
of small size, low cost and surface-mountability. The
XE2420 targets remote monitoring applications in
industrial, commercial and residential locations
As a complete modem, the XE2420 includes not only
all modem circuitry but also user transferrable FCC
Part 68 Registration and UL60950 recognition. This
allows the XE2420 to be safely integrated into your
embedded application.
Xecom’s new HyPLCC™ package infuses the XE2420
with both its small size and surface mountability. The
HyPLCC package allows complex hybrid circuits to fit
the 68-Pin PLCC footprint. The HyPLCC™ package
provides a completely sealed enviroment protecting
the XE2420 during assembly and board cleaning
operations.
Features
* Small Size: The HyPLCC™ measures less than 1
inch by 1inch square and 0.290 inches thick
* Surface-mountabile: The HyPLCC™ package is
equivalent to a 68-Pin PLCC device.
* Data transfer at 2400, 1200 and 300 BPS using
V.22bis, V.22, V.23, V.21, Bell 202, Bell 212A, and
Bell 103 Protocols
* Modem Control and Configuration via industry
standard AT Commands.
* Supports external shared line features permitting
unobtrusive sharing of a local telephone line.
* Complete integrated DAA includes, Ring Detect,
Loop Current Holding Circuit, Hook Switch. Metalic
Surge Protection, and Telephone Line Transformer
* User Transferrable FCC Part 68 Registration
* UL60950 Recognition
* Low Power operation, 330 milliWatt; Power down
operation less than 1 microWatt
XE2420 BLOCK DIAGRAM
XECOM (1) XE2420
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XE2420 Pin Descriptions (continued)
PIN NAME DESCRIPTION
19 HI3
HI3 is one of the four hardware hooks for connecting shared line features to the XE2420.
HI3 interfaces to the 911 Interrupt circuit. This circuit detects changes in the loop current
when an extension handset is lifted as when making an emergency call. The system host
should immediately abort the modem connection to permit the user to complete their call.
See the Application Note on Page 10 of this data sheet to see how these line monitoring
circuits interface with the XE2420.
20 N/C
No internal connection, To prevent damage in case of voltage surges on the telephone line, we
recommend that nothing be connected to this pin.
21 N/C
No internal connection, To prevent damage in case of voltage surges on the telephone line, we
recommend that nothing be connected to this pin.
22 Tip
The Ring and Tip signals provide modem the connection to the telephone line. FCC Part 68
Rules require a 1500 volt isolation barrier between the telephone line and all other circuits.
This isolation must be preserved throughout the system.
The telephone company places a DC “Battery” voltage across Tip and Ring on all public switched
telephone lines. The XE2420 will operate regardless of the polarity of this “Battery” voltage.
The “Battery” voltage drives up to 100 milliamps of DC loop current.
UL60950 requires minimum creepage and clearances distances be maintained between the
Tip and Ring traces and all other circuits. Clearance is the shortest distance between conductive
circuits; creepage is the distance between conductive surfaces along the surface
23 N/C
No internal connection, To prevent damage in case of voltage surges on the telephone line, we
recommend that nothing be connected to this pin.
24 Ring
The Ring and Tip signals provide modem the connection to the telephone line. FCC Part 68
Rules require a 1500 volt isolation barrier between the telephone line and all other circuits.
This isolation must be preserved throughout the system.
The telephone company places a DC “Battery” voltage across Tip and Ring on all public switched
telephone lines. The XE2420 will operate regardless of the polarity of this “Battery” voltage.
The “Battery” voltage drives up to 100 milliamps of DC loop current.
UL60950 requires minimum creepage and clearances distances be maintained between the
Tip and Ring traces and all other circuits. Clearance is the shortest distance between conductive
circuits; creepage is the distance between conductive surfaces along the surface.
XECOM (5) XE2420
Preview 5 Page |
Part DetailsOn this page, you can learn information such as the schematic, equivalent, pinout, replacement, circuit, and manual for XE2420 electronic component. |
| Information | Total 16 Pages | |
| Link URL | [ Copy URL to Clipboard ] | |
| Download | [ XE2420.PDF Datasheet ] | |
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