SI2457-D-FS Silicon Laboratories Inc, SI2457-D-FS Datasheet - Page 180

• Manufacturer Part Number: SI2457-D-FS
• Description: IC ISOMODEM SYSTEM-SIDE 16SOIC
• Manufacturer: Silicon Laboratories Inc

Specifications of SI2457-D-FS

• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

AN93
180
Code
H
P
o
u
e
h
q
b
d
p
a
c
r
(
)
l
f
0x6C
0x6F
0x75
0x63
0x65
0x68
0x48
0x71
0x62
0x64
0x72
0x70
0x50
0x61
0x66
0x28
0x29
Hex
Table 112. <DLE> Simple Events (DCE-to-DTE) (Continued)
Receive buffer overrun
Transmit buffer underrun.
Fax Calling. DCE has detected T.30 1100 Hz tone.
Data Calling. DCE has detected V.25 1300 Hz tone.
Line voltage collapsed (phone line detached).
Line voltage restored (phone line reattached).
Presumed End of Message (QUIET).
Loop current interruption.
Busy tone detected.
Dial tone detected.
Ringing tone detected.
Line voltage increased (parallel phone goes on-hook). DCE monitors loop current when
off-hook and line voltage when on-hook.
Line voltage decreased (parallel phone goes off-hook). DCE monitors loop current when
off-hook and line voltage when on-hook.
Fax or data answer. DCE has detected T.30 2100 Hz or V.21 1650 Hz answer tone.
Data answer. DCE has detected 2225 Hz, USB1 or AC answer sequence.
Negative (decreased) loop-current drift detected.
Positive (increased) loop-current drift detected.
Format: <DLE>[Code]
Rev. 1.3
Description