ADC DSL Systems, Inc.
114402 Franklin Avenue
Tustin, CA 92780-7013
Tel: 714.832.9922
Fax: 714.832.9924
Technical Assistance
Tel: 800.638.0031
Tel: 714.730.3222
Fax: 714.730.2400
Megabit Modem
Megabit Modem
MM300S
I
NSTALLATION
G
UIDE
Copyright Information
© 2002 ADC DSL Systems, Inc. All rights reserved.
Information contained in this document is company private to ADC DSL Systems, Inc., and shall not be modified, used, copied,
reproduced or disclosed in whole or in part without the written consent of ADC.
Trademark Information
ADC is a registered trademark of ADC Telecommunications, Inc.
Avidia and Megabit Modem are registered trademarks and StarGazer, SwitchWare, and Skyrocket are trademarks of ADC DSL
Systems, Inc. No right, license, or interest to such trademarks is granted hereunder, and you agree that no such right, license, or
interest shall be asserted by you with respect to such trademark.
Other product names mentioned in this practice are used for identification purposes only and may be trademarks or registered
trademarks of their respective companies.
Disclaimer of Liability
Contents herein are current as of the date of publication. ADC reserves the right to change the contents without prior notice. In no
event shall ADC be liable for any damages resulting from loss of data, loss of use, or loss of profits, and ADC further disclaims any
and all liability for indirect, incidental, special, consequential or other similar damages. This disclaimer of liability applies to all
products, publications and services during and after the warranty period.
Specific Disclaimer for High-risk Activities
This product is not designed or intended for use in high-risk activities including, without restricting the generality of the foregoing,
on-line control of aircraft, air traffic, aircraft navigation or aircraft communications; or in the design, construction, operation or
maintenance of any nuclear facility. ADC (including its affiliates) and its suppliers specifically disclaim any express or implied
warranty of fitness for such purposes or any other purposes.
FCC Certification
This device complies with Part 15, Class B of the FCC rules. Operation is subject to the following two conditions:
1
This device may not cause harmful interference.
2
This device must accept any interference received, including interference that may cause undesired operation.
However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful
interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged
to try to correct the interference by one or more of the following measures:
❑
Reorient or relocate the receiving antenna.
❑
Increase the separation between the equipment and receiver.
❑
Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
Consult the dealer or an experienced radio/TV technician for help.
T
HE
M
EGA
BIT
M
ODE
M
300S
The ADC
®
Mega
bit M
od
em
®
30
0S
(M
M3
00
S)
prov
ides
a high
-spe
ed
data
c
onn
ectio
n
over a si
ngle
-pair cop
per
li
ne
to
anot
her mod
em.
Th
e modem
u
ses S
ym
met
rical
Digita
l Su
bsc
rib
er Li
ne (S
DSL) te
ch
nolo
gy to
supp
ort
data
rate
s from
12
8 to
20
48
kbps.
The d
ata
rate
is manu
ally
set,
base
d on
the c
on
nec
tion
distan
ce a
nd
line
co
nd
ition.
Th
e mode
m conn
ects
th
roug
h its
10BAS
E-T
p
ort
to
a PC or
Lo
cal
Ar
ea Net
wor
k
(L
AN).
Th
e S
DS
L p
ort
pr
ovid
es ac
cess t
o t
he f
oll
owi
ng ty
pe o
f c
onnect
io
n:
conne
ctio
n t
o a
noth
er Meg
ab
it M
odem 30
0S, wh
ich pro
vid
es acce
ss to
a remote
P
C
or sm
all LAN (F
igure
1).
Figu
re 1.
Megab
it Mo
dem 30
0S Conn
ectio
n
D
ETER
MINI
NG
THE
D
ATA
R
ATE
Th
e tab
le
bel
ow sh
ows th
e b
est
and worst
case re
ach (b
ased on an
in
dust
ry-stan
dard
nois
e model
) on
2
6 AW
G (0
.4
mm) an
d 24A
WG (
0.5
1mm)
wire
fo
r eac
h data
ra
te
th
e Megab
it Mo
dem3
00S sup
ports
. T
he
actu
al r
eac
h depen
ds
on
the
cond
iti
on
of t
he
lin
e and t
he p
res
ence of bri
dge t
ap
s, sp
lic
es,
li
ne noi
se, an
d so o
n.
128 kbps
384 kbps
768 kb
ps
1024 kbps
1280 kbps
1536 kbps
1792 kbps
2048 kbps
26 AWG
kft
20/18.5
18.0/
13.0
15.5
/10.
5
14.0
/9.
5
13.0/8.
5
12.5/8.
0
11.5/7.
0
10.5/6.
5
(best/worst)
km
6.10/
5.64
5.49/
3.96
4.72
/3.2
0
4.27
/2.9
0
3.96/2.
59
3.81/2.
44
3.51/2.
13
3.20/1.
98
24 AWG
kft
28.1/
26.0
26.0/
18.8
21.2
/14.
3
18.6
/12.
7
16.9/11.
1
16.1/10.
3
14.7/8.
9
13.4/8.
3
(best/worst)
km
8.56/
7.92
7.93/
5.73
6.45
/4.3
7
5.68
/3.8
6
5.16/3.
38
4.90/3.
13
4.48/2.
73
4.07/2.
52
Remote Networ
k
SDSL
Local User
300S Modem
300S Modem
F
EATUR
ES
Th
e Me
gabit
Mode
m3
00S
pro
vid
es M
edi
a Acce
ss Co
ntro
l (
MAC
) l
ay
er b
rid
gin
g o
f
frames r
ecei
ved on
its L
AN and W
AN in
te
rfa
ces. It
p
rov
id
es trans
paren
t a
dd
ress
lear
ning—
sto
ring
up t
o 81
92 M
AC
addr
esses—
fo
r t
he
LAN i
nte
rfa
ce. Ad
dress
entr
ie
s
are aged ou
t a
fte
r 30
0 second
s. T
he
mo
dem do
es n
ot sup
po
rt sp
anning t
ree;
as a re
sult,
it ca
nn
ot b
e use
d in
para
llel wi
th an
othe
r brid
ge to
prov
ide
red
un
dan
cy.
Th
e SD
SL
conn
ectio
n re
quir
es
a d
ed
ica
ted si
ng
le-pa
ir wi
re to
conn
ect t
he l
oca
l an
d
remote
unit
s. T
he mod
em co
mpensa
tes for T
ip an
d Ring
revers
als;
th
erefore,
re
wiri
ng
the
junctio
n bo
x sh
ould
not b
e n
ece
ssary
.
The MM
300S
is eas
y to
insta
ll: se
t the
tran
smis
sion
rate
with a
dial
on
the ba
ck
pa
nel,
conn
ect t
he cab
les,
and i
t’s r
eady t
o use
. Th
e mode
m may b
e i
nst
alle
d on
a desk
top
or
moun
ted on
a w
all
.
T
ECHN
IC
AL
S
PEC
IF
ICA
TIO
NS
The M
M3
00S allow
s lar
ge
r pac
ket siz
es to ac
comm
odate
Virtual Lo
ca
l Ar
ea
Netw
ork
(VLAN).
Power Supp
ly
50/60
H
z, 12
0-220 Va
c In
, +5
Vd
c Ou
t
Connec
to
rs
Ethe
rn
et Conn
ect
or
RJ-
45
co
nn
ect
or f
or 10BASE
-T interf
ace
, wire
d as M
DI-
X
SDSL
C
onnect
or
RJ-1
1 co
nn
ect
or f
or SD
SL int
erf
ace
Defa
ult SDSL
M
argi
n LED
Thresh
old
6 dB
Physi
ca
l
Dept
h
5.5
in
. (1
4.0 cm
)
Widt
h
6.75
in
. (
17.15
cm
)
Height
1.25
in
. (
3.175
cm
)
Weight
1.38 l
b.
(0
.63 kg
)
Envir
onmen
ta
l
Opera
tin
g tem
per
ature
+32 t
o 122
°F (0 t
o 5
0°C
)
Rela
tive
humid
ity
up to
95% n
on-co
nd
en
sin
g
Opera
tin
g alti
tu
de
-200
to
13,0
00 ft.
(-
61 to
3
962 m
ete
rs)
Sto
rag
e tem
per
atur
e
-40
to
158°F
(-40 t
o 70°
C)
Sto
rag
e alti
tu
de
-1,0
00
to
30,0
00 ft.
(-
305 t
o 914
4 met
ers
)
Emis
sion
s and I
mm
unity
Comp
lia
nce
s
FCC Pa
rt 15
, Sub
par
t B,
Class
B
CE
Opera
tions
a
nd Safe
ty Com
pli
ances
UL-19
50, cU
L
CE (EN 609
50)
´,C;¶7^¨
1235277
June 7, 2002
