Micom-modem

M
I
C
O
M-
MICOM MODEM
Dia! Series
Model 3I24EH Type SI
M
ICOM 'S new, versatile dial-up modem
gives you error-free transmission at 2400 , 12000r
300 bps, plus plenty of
operational nexibility.
This newest member af
the MICOM MODEM Dial
Series is available in a Iow
profile, standalone enclosure designed to allow a
desk telephone to sit neatly
on top of it. !t boasts
XVI , Smartcom 11 , or
MITE. Ali you need is an
ElA RS -232 cable to conneel lhe modem to a serial
port on your persanal
computer.
Thanks to speed buffer-
ing and flow cantrol
options, with a single configuration of your terminal
ar your personal computer
powerful communications
[eatures, thanks to spaccsaving, custam LSI and
gate array chips.
!t's compatible with aI!
four dial-up standards, Bel!
103A, Be1!212A , CCITT
V.22 bis and CCITT V.22 ,
50 it can connect to any
modem lhat implements any
af these. This mcans yOl!
can have downward COI11patibility to Bel! 212A , Bell
103A and CCITT Y.22 , and
upward compatibility with
CCITT V.22 bis. And ,
becausc it implements lhe
CCITT international standards, you can co m municate aI these speeds
with modems in other
• Error-free transmission at 2400 , 1200,300 bps
with MNP Protocol (Levei 4)
lhe modem's interface
speed will remain at 2400
bps, whether the modem
connects at 2400 , 1200 or
300 bps. And, no malter at
which speed the data is
being transmitted, the
modern 's Microcom Networking Protocal (MNP)
wil! cnsure that the
transmission is errar-frec.
There's f1exibility in
other operations , toa. You
• Compatible with CCITT V.22 bislV.22 and Bell
212AII 03 standards
can transmit data synchronously ar asynchronously.
You can 50 ft configure
• Compatible with the Hayes " AT " Command Set
options from a personal
• Compatible with ali popular personal computer
communications packages
lhat is accessible at lhe Tear
computer , ar se t lhe default
values from lhe dip switch
af lhe modem.
You cao also monitor
• Compatible with ali major CCITT V .22 bis
modems
your call's progress , either
with lhe statu s messages
provided on your screen, or
avcr lhe integral speaker,
• Telephone line optimization using automatic
adaptive equalization
software communications
which lets you hear dialing,
ring ing , busy signals ar
even lhe vo ice af someone
packages , 5uch as Crosstalk
answcring your call.
countries , toa.
Because it includes lhe
Hayes '" AT" Smartmodem
command seI , you can use
it with any of the popular
C
I
M
Automatic data to voice
s witch ing al lows swi tch ing
between voicc and data
\Vithout red ia ling the phone
number. And, if yo u ha ve
RJ 12/ RJ 13 multiline
telephones, th e modem \ViII
inform other phones wi th
access to yo ur line lha t your
l ine is in use. This \ViII prevc nt data di srupt ion lhat
inte rrupti ons on lhe li ne
cou ld cause. Some telephone systems will al so
lock Qui lhe other lines 011
command from lhe modem.
This versatile modem
a150 offers a spccial reature
for use rs of a Rolm CBX: it
allows them to share a
central pool af incomin g ar
outgoing modems.
SPECIFICATIONS
Serial , binary asy nchronou s
Serial , binary asy nchronous o r synchronous
CC ITT V.22 : Serial , binary asy nchronous a r sy nchronous
CC ITr V.22 bis: Se rial, binary asynchronous cr sync hronous
Characler Lengt h
Be ll I03A: 10 bits including I , 1 1/2, c r 2 stop bit s
Bell 2 12A:
CC ITT V.22 :
CC ITI V .22bis:
turned ofr.
Ali of the sett ings of the
l11odcm 's soft -configured
opti ons a re al so stored in
non-volati le memory , 50
lhe modem wi ll rClai n your
settings evcn after you (urn
the modem off.
And , lh e modem uses an
EE PROM, so it reta ins
sto red data indefinitely ,
For more information
about this f1exible , po\VerfuI modem , call o r write
M[COM Systems , [nc .,
4100 Los Angeles Avenue ,
Simi Vall ey, Ca lifornia
93062, te le phone
1-800-M [COM USo
cvcn when lhe powcr is
Carrier Frcquencies
2400/1200 bps
TERl'l1INAL INTERFACE SPECIFlCATIONS
Character Formal
Be ll 103A:
Be ll 212A:
M
O
10 bits including I , I th . a r 2 SIOp bit s
10 bits including I . I Y2 , a r 2 stop bit s
10 bits including I , 11h, ar 2 SIOp bit s
Asynchronous Rale Range
Bell 103A: 300 bps
Be1l212A : 1200 bps
CCITT V.22 : 1200 bps
GCITI V.22 bis: 2400 bps
Synchronous Rale Range
Be1l212A : 1200 bps
CCITI V.22 : 1200 bps
CCITI V.22 bis: 2400 bps
+2. 3%, - 2.5 %
+ 2. 3% , - 2.5 %
+ 2.3 %, - 2 .5 %
± 0.0 1%
± 0.0 1%
± 0.0 1%
TELEPHONE LINE INTERFACE SPECIFlCATION
Baud Rale
Bell I03A: 300 baud
Be1l212A : 600 baud ± 0.0 1%
CC ITT V.22: 600 baud ± 0 .01 %
CCITT V.22 bis: 600 baud ± 0.01 %
Orig inate Modc: T ransmit
Rcccivc
Ans\Vcr Modc: Trans mit
Rcccivc
1200
2400
2400
1200
Hz ± O.OI %
Hz ±7 Hz
Hz ± O.O I %
Hz ±7 Hz
300bps
Originale Modc: Transmit 1070/1270 Hz ± 0 .02 % (space/mark)
Recei ve 2025/2 225 Hz ± 7 Hz (space/mark)
An swer Modc: T ransmil 2025/2225 Hz ± 0.02 % (space/mark)
Receivc 107011270 Hz ± 7 Hz (space/mark)
Modu lation/Dcmodulat ion
Bcll 103A: FSK (Frequcncy Shi ft Key ing)
Bc1l212A : DPSK (Diffcrcntial Phase Shift Kcying)
CC ITI V.22 : DPSK (Diffcrcntial Pha se Shift Keying)
CCITT V .22 bis: QAM (Quadrature Amplitude Modulation)
Line Connection Arrangemenl
Penni ss ive. 2· wire leased
Lin e Co nneclor
RJII. RJ12, RJI3. 2-wi rc Ieascd line
PHYSICAL DlMENSIONS
Width : 5.85"
Height: 1.25 "
Length: 11 "
( 14 .8 cm)
( 3.2 cm)
(27.9 cm)
Reccive Levei
ENVIRONMENTAL
Te mperaturc : Opcnuing : 32 to 122° F (O 10 50° C)
Storage: - 4010 158 ° F( - 40 t070° C)
Humid ity : 5·95 %, non·co ndc nsing
OCO on: more than - 43 dBm
DCD off: less than - 48 dBm
Transmit Levei
-lO dBm ± I dB (perm iss ive)
ELECTR ICA L - AC Adapter
Transformcr Input: 105 .310128. 7 V ac RMS
Transfonncr OUlpUL 12.6 Vac + 20 % - 5 %
VA Rating: 15 VA
Unilcd Statcs: MI COM Systcms, Inc. - 4100 Los Angclcs Avcnu c.
P.O. Box 8100 • Simi Vallcy, CA 93063 -3397
1-800-M ICOM-US • TWX 910-494-4910
Telex 68-7497 • FAX 805-583-1997
Europc: MICOM Europc - Northbrook Housc • 39 Oxfo rd Slrccl,
Newbury, Berkshirc RG1 3JU, England 44 -635 -832-441
lnternationa l: 805-583-8600 • TWX 910-494-4910
Telex: 68-7497 • FAX 805 -583-1997
I.1ICOM IS o I,aooma,k 01 MICOM Sj'SI\l'I'T15. Inc
Haye5. Sma ' tmOdem arld Smartcom 11 ore traóCma'lo,S OIIHI~ Mre,ceomnulet P'oO..rcIS. Inc C'OSr.\3IJo. )(VI ~ a uaOetna'k 0I 1.1 00Slul. Inç
MITE 15 a I,aderna, " OI Myc'on lallS. Inc W~ P 1$ ~ I,O(J1ln10'" 0/ MoC'oeom. Inc Rotm ~ a I'allema'" 01 RoIm Co'!>
© 1986 MICQM Syslems, Inc.
Prtnled June 1987 (Inventory 142) L 133
Ali specillcatl ons subjecllO c hange with oul notice.