Manualshelf

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138
XA-Core shelf (NTLX0101)
(
NTP 297-8991-511, DMS SN & SNSE XA-Core Maintenance Guide)
Note: Provisioning will vary depending upon configuration.
Note: The XA-Core shelf replaces the CM and SLM shelves for the
SuperNode and the combined CM/SLM shelf for the SNSE. Any
SuperNode shelf left empty because of an XA-Core retrofit is
replaced with a NT901FB Filler Shelf.
Note: For further description of the following XA-Core packs, see the
“Circuit Pack Description” within this QRG or see
NTP 297-8991-810 or NTP 297-8991-511.
LX02 — Processor Element (PE) CP
LX03AA
— Input/Output Processor CP (One-slot for CMIC and RTIF)
LX03BA
— Input/Output Processor CP (Two-slot for disk and tape)
LX05 — OC-3 Two-port Interface Packlet for CMIC
Note: The NT9X63AA or BA OC-3 interface paddle board is used to
connect the CMIC links (OC-3) between MS & XA-core NTLX05
CMIC packlet.
LX06 — Disk Drive Packlet
LX07 — Digital Audio Tape (DAT) Tape Drive Packlet
LX08 — RS232/422 Serial Interface Packlet (Rem Term IF (RTIF))
LX12 — Shelf Interface Module (SIM) (Power supply)
LX14 — Shared Memory (SM) CP
LX20AA — Filler Pack
LX20BA
— Terminating Filler Pack. The terminating filler pack is
installed in any slot in the XA-Core shelf not occupied by a processor ele-
ment (PE) pack, a input/output processor (IOP) pack, or a shared memory
(SM) pack. Note: Slot 15F must contain a NTLX20BA pack.
LX
12
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AA
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LX
02
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15
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LX
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LX
20
F
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14
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02
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03
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20
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13
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02
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LX
03
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LX
20
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12
LX
14
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M
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LX
20
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11
LX
14
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LX
20
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14
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09
LX
14
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08
LX
14
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LX
20
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07
LX
02
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LX
03
I
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LX
20
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06
LX
02
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LX
03
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LX
20
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05
LX
03
AA
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or
LX
02
CA
P
E
04
LX
12
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P
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03
********** Shelf As Seen From Back **********
o
LX
20
F
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L
L
E
R
01
LX
03
BA
I
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W
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S
L
O
T
02
D
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K
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T
A
P
E
03
LX
02
P
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LX
03
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LX
20
F
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L
04
LX
02
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LX
03
I
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/
LX
20
F
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05
LX
02
P
E
/
LX
03
I
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P
/
LX
20
F
I
L
06
LX
14
S
M
or
LX
20
F
I
L
L
E
R
07
LX
14
S
M
or
LX
20
F
I
L
L
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R
08
LX
14
S
M
or
LX
20
F
I
L
L
E
R
09
LX
14
S
M
or
LX
20
F
I
L
L
E
R
10
LX
14
S
M
or
LX
20
F
I
L
L
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R
11
LX
02
P
E
/
LX
03
I
O
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/
LX
20
F
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12
LX
02
P
E
/
LX
03
I
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LX
20
F
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L
13
LX
02
P
E
/
LX
03
I
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/
LX
20
F
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L
14
LX
20
BA
T
E
R
M
F
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L
L
E
R
15
LX
02
P
E
/
LX
03
I
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P
/
LX
20
F
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L
16
LX
03
BA
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T
W
O
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L
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17
D
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K
/
T
A
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18
o
********** Shelf As Seen From Front **********