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XE1214B5 Datasheet

  • XE1214B5

  • 1200bps Component Modem

  • 12頁(yè)

  • ETC

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xecom
1200bps Component Modem
Description
The XE1214B5 is a complete, self contained
1200/300 bps modem in small, component form. It
contains all circuitry necessary for a complete
modem, including an internal, FCC Registered,
Data Access Arrangement (DAA) for direct
connection to the telephone line, and a serial TTL
interface. With the addition of line driver and
receiver ICs (such as the MC1488 and MC1489),
this serial interface may be easily converted to a
full RS232C serial interface.
The XE1214B5 uses the industry standard "AT"
commands. This allows the XE1214B5 to operate
with most communications software. It supports
full duplex, 1200/300 bps, data transfer with either
Bell 212A/103 or CCITT V.22/V.21 modulation.
The XE1214B5 includes the capability to monitor
call progressand generate DTMF and guard tones
required for CCITT V.22/V.21 communication. It
operates in the asynchronous mode and provides
analog loopback, digital loopback and remote
digital loopback functions for testing purposes.
Block Diagram
XE1214B5
06-24-93
Features
鈥?Small Size -2.28" x 1.0" x 0.5"
鈥?FCC Part 68 Registered
鈥?Fully Bell 212A/103 and CCITT V.22/V.21
Compatible
鈥?Complete Industry Standard "AT" Command
Set
鈥?TTL Serial Interface
鈥?Call Progress Monitoring
鈥?DTMF and Pulse Dialing
鈥?Software Controlled Audio Output
鈥?UL Recognized Component
鈥?CSA Recognized Component
鈥?+5 Volt Power Only
PIN CONFIGURATION
AA\
HS\
CD\
DTR\
RXDC
N/C
EHC
RXDM
TXD
CLKOUT
RI\
AADIS\
OH\
1鈥?/div>
2
3
4
5
6
7
8
9
10
11
12
13
40
39
38
37
VCC
GND
N/C
AUDIO
TIP
N/C
N/C
RING
17
18
19
20
24
23
22
21
N/C
N/C
N/C
N/C

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