Paradyne 8820, Руководство по установке

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2. Installation
2-26
November 2004 8820-A2-GN20-80
Installing an SCM Card
An SCM card cannot coexist in the same chassis as an SCP card. It is used to
support legacy ATM cards.
Use a small- to medium-size flat-blade or Phillips screwdriver to install the SCM
card into Slot A. SCP and SCM cards are equipped with lever-type latches that
assist in both the insertion and removal of the card. All the rest of the cards are
equipped with ejector-type latches.
Procedure
CAUTION:
Do not insert the SCM card into any slots other than A, as this will
damage the BAC.
To install an SCM card:
1. If there is a filler plate covering Slot A, remove it.
2. Hold the SCM card vertically and insert it into the top and bottom card guides
of Slot A.
3. Carefully slide the card into the slot. Lift the insertion/ejection latches away
from the faceplate until the card begins to engage the connectors on the
backplane. Then press in on the latches until the card is fully seated.
4. Verify that the OK SYSTEM indicator on the card’s faceplate is blinking green.
5. Secure the card by fastening the screws on each end of the faceplate. This is
required to maintain proper gasket pressure on the faceplate, as well as
proper air flow.
6. Attach the appropriate cables to the connectors protruding through the SCM
faceplate.
ALARMS
Major Minor Fan
B A
POWER
48V R
T
N
48V NEG
POWER ENTRY MODULE
LEFT UNIT: LINE A
RIGHT UNIT: LINE B
WARNING! POWER MUST BE DISCONNECTED A
T THE SOURCE BEFORE REMOVING OR INSTALLING THIS PWR ENTR
Y MODULE
48V R
T
N
48V NEG
POWER ENTRY MODULE
LEFT UNIT: LINE A
RIGHT UNIT: LINE B
WARNING! POWER MUST BE DISCONNECTED A
T THE SOURCE BEFORE REMOVING OR INSTALLING THIS PWR ENTRY MODULE
DSL
SYSTEM
OK
Alm
Test
ETHERNET
TX
RX
Coll
DSL PORT
1
2
3
4
MCP
SYSTEM
OK
Alm
Test
ETHERNET
TX
RX
Coll
SCM
SYSTEM
OK
Alm
Test
ETHERNET
TX
RX
Coll
Slot A
04-17549
SCP
SERIAL
CLOCK
A
ALARM
OUT
CLOCK
B
MCP
SERIAL
ALARM
IN
HUB-2
LAN
MCP
LAN
TAP
OUT
SCP
LAN
HUB-1
LAN
TAP
IN