SI2493-C-FS Silicon Laboratories Inc, SI2493-C-FS Datasheet - Page 135

• Manufacturer Part Number: SI2493-C-FS
• Description: IC ISOMODEM SYSTEM-SIDE 16SOIC
• Manufacturer: Silicon Laboratories Inc

Specifications of SI2493-C-FS

• Mfg Application Notes: SI2493/57/34/15/04, Appl Note AN93
• Data Format: V.21, V.22, V.23, V.29, V.32, V.34, V.90, V.92, Bell 103, Bell 212A
• Baud Rates: 56k
• Interface: UART
• Voltage - Supply: 3 V ~ 3.6 V
• Mounting Type: Surface Mount
• Package / Case: 16-SOIC (3.9mm Width)
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Si2493/57/34/15/04 chip
ISOcap™ Operation
Si3018/10 Operation
Hookswitch
dc Termination
Bridge
AC Termination
Line Voltage Monitor
Ringer Network
Intrusion Detection
Caller ID
Overcurrent Detection
ATH1
ATH0
AT&Hn (see command description for n)
AT&T3 (requires load and loop current)
Set S10 = 255 to keep the modem under test from hanging up after the
remote modem is unplugged. Connect with another modem (Si24xx in
answer mode); then, unplug the other modem.
AT&T4
AT&T5
ATX0
AT*Y1D<digit> (example: AT*Y1D1 for DTMF1)
ATM2
ATM0
AT:Uhh,xxxx (hh is U-Register and xxxx is the hex value to be written)
AT:Rhh (hh is U-Register)
AT:R
ATA
AT:U4D,0008 ATX0 ATDT
Connect test modem and remote modem through a telephone line sim-
ulator. Configure test modem without protocol. Set test modem
S10 = 255. Connect phone in parallel to remote modem. Set remote
modem to desired modulation. Dial remote modem and connect. Take
parallel phone off-hook. Remove power from remote modem. Test
modem transmits indefinitely.
Circuit or Function
AT Command/Test Method
Table 92. AT Commands for Compliance Testing
Table 91. Test Coverage
&T2
Yes
Yes
Rev. 0.9
&T3
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Set modulation
Turn on carrier (originate)
Send continuous DTMF digit
Write a U-Register
Continuous off-hook
Return on-hook
Turn on carrier (answer)
Initiate transmit as originating modem
with automatic data generation
Initiate transmit as answering modem
with automatic data generation
Blind dial (no dial tone)
Speaker on continuously
Turn off speaker
Read a U-Register
Read all U-Registers
Send Answer Tone for 3 seconds
Send Calling Tone
Transmit a specific modulation
Desired Response
Functional Test
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
AN93
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