3
61190852L2-5, Issue 3
61190852L2-5C
Rear Panel Features
The rear panel (
Figure 4
) houses the AC power
receptical and lists compliance and electrical safety
precautions. Power is applied to the shelf upon
insertion of the power cord.
WARNING
On a live HDSL circuit, potentially dangerous
voltage may be present on the loop 1 and loop 2
signals. Use extreme caution when accessing
these signals at the LP1/LP2 jacks.
Powering the HDSL CO Installation Kit
1. Insert the AC Power Cord to power the Central
Office Installation Kit.
2. The ADTRAN HDSL Remote Installation Kit
(P/N 1190851L2) can be span powered by
installing cables between its LP1/LP2 signal
jacks on the Central Office Installation Kit. See
Figure 5
.
Preventing ESD Damage
To prevent damage caused by electrostatic discharge
(ESD), follow these precautions when using the
HDSL Installation Kit.
1. Install the ground cable between ground and the
bottom ground lug on the front of the HDSL
Installation Kit.
2. When working with HDSL line units, make sure
the ESD wrist strap is attached to the top ground
lug on the front of the HDSL Installation Kit.
Figure 3. Front Panel Features
Figure 5. Pairing CO Installation Kit
Remote/Repeater Shelf
Distribution
Frame
Central Office Powering Shelf
Customer
Equipment
or NIU
HDSL
Circuit
CAUTION:
RISK OF ELEC
TRICAL
SHOCK. MA
XIMUM
VOLTAGES U
P TO
-200 VDC M
AY BE
PRESENT ON
TELECOM
CIRCUITS.
1190851L2
HDSL 851 R
EPEATER/RE
MOTE
ESD
GND
RPTR. C.O.
CABLE PAIRS
RPTR. TO REM
OTE
CABLE PAIRS
LP1 LP2
LP1 LP2
REMOTE
CABLE PAIRS
DS1
LP1 LP2
RX TX
RPTR
IN
OUT
CAUTION:
RISK OF EL
ECTRICAL
SHOCK. M
AXIMUM
VOLTAGES U
P TO
-200 VDC M
AY BE
PRESENT O
N TELECOM
CIRCUITS.
1190852L2
HDSL 852 C
O POWER
REMOTE
LP1 LP2
DS1
TX RX
ESD
GND
DSX-1
LBO
B8ZS
FRM
ESF
NIU LB DI
S
LB TIMEO
UT DIS
533
399
266
133
0
EXT
12460
01L2
LBK
ALM
DSX
DSL
TX
RX
TX
RX
M
O
N
E
Q
HTU-
CM
AMI
UFRM
SF
EN
EN
12345
115 VAC
Figure 4. Rear Panel Feature
This device complies with Part 15 of the FCC Rules.
Operation is subject to the following two conditions:
(1) this device may not cause harmful interference, and
(2) this device must accept any interference received,
including interference that may cause undesirable
operation.
WARNING
~ LINE
120V 0.5 A 60HZ
FOR PROTECTION FROM
ELECTRICAL SHOCK HAZARD,
ENSURE PROPER FRAM GROUND
CONNECTION. FOR USE BY
QUALIFIED SERVICE
PERSONNEL ONLY.
POWER CODE (PC)
TELECOMMUNICATION CODE (TC)
INSTALLATION CODE (IC)
F
T
E
C
X
-
IN
OUT
CAUTION:
RISK OF ELECTRICAL
SHOCK. MAXIMUM
VOLTAGES UP TO
-200 VDC MAY BE
PRESENT ON TELECOM
CIRCUITS.
1190852L2
HDSL 852 CO POWER
REMOTE
LP1 LP2
DSX
TX RX
CO LP1/LP2
Signal Jacks
CO Unit DSX
TX and RX
Signal Jacks
CO Unit Slot
ESD
GND
Ground
Lugs
