2. Installation
8820-A2-GN20-80
November 2004
2-13
4. Fasten the #8 AWG wires, with their ring tongue terminals properly installed
(see
Step 1
), to the power taps using the M4 Phillips-head screws.
— Connect the negative wire to the power tap on the right (
48V NEG
is
printed on the front of the PEM’s faceplate).
— Connect the return or positive wire to the power tap on the left (
48V RTN
is printed on the front of the faceplate).
Tighten the M4 screws securely to the power taps while keeping the ring
tongue terminals and their wires dressed parallel to the board and
perpendicular to the faceplate.
5. Feed and dress the power wires through the notched holes at the top of the
PEM’s faceplate.
6. Slightly spread open the split cable bushings and slip them over the wires and
into the holes at the top of the faceplate. Press on the cable bushing to snap it
into the faceplate.
7. Reinstall the PEM into the chassis using the mounting screws removed in
Step 2
.
8. Repeat the above steps for the remaining PEM.
9. Cable ties may be used to secure the power wiring to the PEM brackets.
00-16713
48V R
T
N
48V NEG
POWER ENTR
Y MODULE
LEFT UNIT
: LINE A
RIGHT UNIT
: LINE B
WARNING!
POWER M
UST BE DISCONNECTED A
T THE SOURCE
BEFORE REMO
VING OR INST
ALLING
THIS PW
R ENTR
Y MODULE
O
Ring Tongue
Terminal
M4 Phillips-head
Screw
Power Tap
Содержание 8820
Страница 1: ...8820 Broadband Access Concentrator Installation Guide Document No 8820 A2 GN20 80 November 2004...
Страница 10: ...Contents iv November 2004 8820 A2 GN20 80...
Страница 14: ...About This Guide viii November 2004 8820 A2 GN20 80...
Страница 20: ...1 Introduction 1 6 November 2004 8820 A2 GN20 80...
Страница 48: ...2 Installation 2 28 November 2004 8820 A2 GN20 80...
Страница 54: ...3 Cabling Line Card Tip and Ring 3 6 November 2004 8820 A2 GN20 80...
Страница 78: ...A Pinouts A 8 November 2004 8820 A2 GN20 80...
Страница 82: ...B Technical Specifications B 4 November 2004 8820 A2 GN20 80...
Страница 86: ...Index IN 4 November 2004 8820 A2 GN20 80...