2. Installation
2-14
November 2004
8820-A2-GN20-80
Rear Power Access
WARNING:
!
— It is recommended that the following procedure be performed by a
qualified electrician.
— Never remove the metal cover(s) without first ensuring that the
power has been disconnected at the source.
— When installing or servicing rear access power connections, never
remove both metal covers at the same time to avoid exposure to 48
or 60 VDC potentials.
NOTE:
Both PWR A and PWR B must be powered, or else the management card
alarm will activate.
00-16647-01
M4
Phillips-head
Screws
10
11
12
13
14
15
16
17
18
9 8 7 6 5 4 3 2 1
CAUTION: USE NO. 8 AWG ONLY
– 48V
RT
N
PWR A
PWR B
– 48V
RT
N
Power Connection
Metal Covers
A
B
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...