
HiGain
HiGain
FCC Class A Compliance
This equipment has been tested and found to comply with the limits for a Class A digital device, pursuant
to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful
interference when the equipment is operated in a commercial environment. This equipment generates,
uses, and can radiate radio frequency energy and, if not installed and used in accordance with the
instruction manual, may cause harmful interference to radio communications. Operation of this
equipment in a residential area is likely to cause harmful interference in which case the user will be
required to correct the interference at his own expense.
Limited Warranty
Product warranty is determined by your service agreement. Contact your sales representative or
Customer Service for details.
Modifications
Any changes or modifications made to this device that are not expressly approved by ADC DSL
Systems, Inc. voids the user's warranty.
All wiring external to the products should follow the provisions of the current edition of the National
Electrical Code.
Standards Compliance
This equipment has been tested and verified to comply with the applicable sections of the following
safety standards:
GR 63-CORE - Network Equipment-Building System (NEBS) Requirements
GR 1089-CORE - Electromagnetic Compatibility and Electrical Safety
Binational standard, UL-1950/CSA-C22.2 No. 950-95: Safety of Information Technology
Equipment
Trademark Information
ADC is a registered trademark of ADC Telecommunications, Inc. HiGain is a registered trademark of
ADC DSL Systems, Inc. Other product names mentioned in this installation guide are used for
identification purposes only and may be trademarks or registered trademarks of their respective
companies.
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.
ADC DSL Systems, Inc.
14402 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
DNV Certification, Inc.
REGISTERED FIRM
ISO 9001/TL 9000
HLU-388 L
IST
5D
The HiGain
®
Line
Un
it HLU-3
88 List 5
D i
s th
e Central Office (CO) si
de of a
repeat
erless,
T1
transm
issi
on syst
em. W
hen
u
sed
in
conj
un
ctio
n with
a HiG
ain
Remo
te Uni
t (
HR
U),
th
e syst
em pro
vid
es 1.54
4 Mbps
tr
ansmi
ssi
on on
tw
o
un
co
nditio
ned
co
pp
er p
air
s over
the
full Ca
rrie
r Se
rvice
Area (CSA)
ran
ge.
The C
SA
incl
udes
loo
ps up
to 1
2,0
00
fee
t of
24
(A
mer
ica
n Wir
e G
aug
e) A
WG
or 9,
000 f
eet
of
26
AWG wire
, in
clu
din
g brid
ged
tap
s. Th
is line u
nit
can
be
used
in
ap
plic
ati
on
s with
or witho
ut HiGain Dou
bler Un
its (HDUs).
F
EATUR
ES
S
PE
CIFIC
ATIONS
•
Fron
t pa
nel s
tat
us LED
, f
ou
r-cha
racte
r st
atus
disp
lay
•
Pay
loa
d (P
L) o
r Hi
Gain
Gene
ric (
HG) loo
pb
ack
sour
ce i
den
tif
ica
tion
•
Ultra
lo
w wand
er
•
Reduc
ed p
owe
r co
nsum
ptio
n
•
Five
-span
ra
ng
e wit
h f
our dou
bler
s
(60 kf
t, 24 AWG
)
•
Lo
w line-po
wer op
tion
(-140
Vdc) f
or c
ircu
its
wit
h a
singl
e d
ouble
r
•
Sel
ect
able
pow
er
fee
d mod
es
•
Bit E
rror R
ate
(BER
) a
larm
op
tion
s
•
Lo
ss of
S
ign
al (LO
S)/
Alarm
Indi
cato
r Sig
nal
(AIS
) payl
oad a
lar
m opt
io
n
•
Bipola
r Violation Tr
an
sp
are
ncy
(BPVT)
opti
ons
•
Ad
diti
onal
scre
ens fo
r in
vent
ory a
nd
trou
bles
hooti
ng
•
Grou
nded l
oop d
ete
cti
on
Op
erat
in
g T
em
pe
rat
ure
-40 °
F t
o 14
9 °F (-40
°C
to
+ 65
°C
)
Ope
ra
tin
g Hu
midit
y
5%
to
9
5% no
n-cond
ensi
ng
HD
SL Span
Vo
ltage
-140 or
±
112 Vdc
Mou
nti
ng
DD
M+ hi
gh-den
sit
y shel
f
HD
SL Li
ne Code
784 kb
ps 2
B1Q
HD
SL Ou
tp
ut
+13.
5 dBm ±0.
5 dB, 135
Ω
Maxi
mum
Pro
vis
ion
in
g L
oss
35
dB at 1
96 kH
z, 1
35
Ω
DS
1 Line R
ate
1.5
44 Mbps
±200
bp
s
DS
1 Line Fo
rmat
Altern
ate M
ark I
nve
rsion (AM
I)
or
Bipo
lar wit
h
8-Ze
ro Subst
itu
tion (B8Z
S)
DS
1 Fram
e Forma
t
Ext
en
ded
Supe
rFram
e (
ESF
), Sup
erF
ram
e (SF
),
or TH
RU
DSX-1
Puls
e O
utp
ut
6 V
pk-p
k
, pr
e-eq
ual
ized
fo
r 0 to
655
fee
t o
f AB
AM
cabl
e
DSX-1
Inpu
t Lev
el
+1
.5 t
o -
7.5
d
B DSX
I
NSTALLATI
ON
To e
nsu
re pro
per
installa
tion
of th
e HLU-38
8 List 5
D:
1
Lif
t t
he
fro
nt pan
el and
alig
n th
e HL
U-3
88 List
5
D wi
th th
e shelf
rai
ls.
2
Slide
th
e u
nit in a
nd
pre
ss th
e fro
nt pane
l down to s
ecu
re.
P
OWE
R
-
UP
S
EQUENCE
When
th
e HLU
powe
rs up
, th
e fou
r-cha
ract
er d
ispla
y illu
mina
tes a
nd re
po
rts
status
messa
ges
. If the HLU is no
t co
mm
un
ica
ting
with th
e ne
xt s
pan
devic
e, th
e fo
llowing
occur
s:
1
Alarm
and
diagn
ost
ic
message
s d
ispl
ay
(see t
he F
ron
t P
ane
l Al
arm Me
ssages a
nd
Fron
t P
ane
l Di
agno
stic
M
ess
ages
tab
les i
nsi
de),
foll
ow
ed by
th
e SE
LF
TE
ST
messag
e.
2
The Sta
tu
s LED
turns y
ell
ow, ind
ica
ting i
t h
as
en
tere
d self-te
st
mo
de.
If th
e HLU i
s co
mmuni
cati
ng
with
th
e next
span
devi
ce, t
he fol
lo
win
g oc
curs:
1
Th
e Stat
us LE
D fl
ashes g
reen wh
ile
ac
quir
in
g each de
vice i
n t
he
syst
em, an
d
tu
rns a st
eady
green when
th
e enti
re syst
em is op
eratin
g wi
th
ou
t an
y alarms.
2
The fo
ur-ch
aracter d
isp
lay rep
orts marg
in (sig
nal-t
o-n
oise ratio
) readin
gs an
d
inse
rtion
loss.
3
If the s
tat
us LED is n
ot s
olid
green
, the
displa
y re
ports a
lar
m c
on
ditio
ns (see t
he
Fron
t Pane
l Alar
m M
essa
ges tab
le in
side)
.
P
ROVI
SION
ING
1
Access the M
ainten
anc
e Terminal scre
ens by
pressi
ng
several
times
.
a
Set
the d
ate
an
d tim
e (se
lec
t Se
t Cloc
k from
th
e M
ain
Men
u).
b
Set
th
e circui
t IDs (sel
ect Vi
ew Sy
stem In
ventory).
2
Acce
ss the Sy
stem
Se
ttings se
lectio
n on
the
Main
Menu
to c
han
ge t
he d
efa
ult
settin
gs of a
ny sy
stem
pa
ram
ete
rs.
3
Access t
he Vi
ew Trou
blesh
oo
tin
g screen t
o vi
ew a
g
raph
ical
analy
sis
of any
po
ten
tial sy
ste
m p
rob
lem
s.
4
Wh
en t
he HL
U is
succe
ssfully
in
stal
led
and p
rov
isi
oned,
clear S
pan
S
tat
us,
Performa
nce
Da
ta, Perfo
rman
ce Hist
ory
, an
d Alarm Histo
ry
screen
s to
en
sure
accurat
e d
ata
and al
arm repo
rting.
Cont
in
ued
SPACE
BAR
Þ
´,.E¶9\¨
1214379
September 15, 1999
Product Catalog: HLU-388 L5D
CLEI: T1L2B60A
Document: 350-388-154-06, Issue 6
5D
HLU-388 L
IST
5D
L
INE
U
NIT
Q
UICK
I
NSTALLATION