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Cisco 12000 Series Router SIP and SPA Hardware Installation Guide
Release 12.0(32)SY1, OL-8831-01, Rev. G6, July 19, 2007
Chapter 1 Overview: Cisco 12000 Series Router SPA Interface Processors
Cisco 12000 SIP-400 Overview
SPA Interface Addresses on the Cisco 12000 SIP-400
A Cisco 12000 Series Router identifies a SPA interface address by its SIP slot number, SPA subslot, and
port number on the SPA, in the format slot/subslot/port. Subslots and ports are numbered starting from
0, so each Cisco 12000 SIP-400 has four subslots. A 4-port SPA would have ports 0 to 3. For example,
the interface address of the second port on a 4-port SPA located in the first SIP subslot, where the SIP is
inserted into router line card slot 6 is 6/0/1.
Figure 1-4 Cisco 12000 Series Router with Cisco 12000 SIP-400 Installed
1 SPA subslot 0 3 SPA subslot 2
2 SPA subslot 1 4 SPA subslot 3
1 Router slot number 6 4 SPA subslot 2 with ports 6/2/0 to 6/2/3
2 SPA subslot 0 with ports 6/0/0 to 6/0/3 5 SPA subslot 3 with ports 6/3/0 to 6/3/3
3 SPA subslot 1 with ports 6/1/0 to 6/1/3
ACTIVE
0
CARRIER
RX PKT
ACTIVE
1
CARRIER
RX PKT
ACTIVE
2
CARRIER
RX PKT
ACTIVE
3
CARRIER
RX PKT
Q OC-3/STM-POS
ACTIVE
0
CARRIER
RX PKT
ACTIVE
1
CARRIER
RX PKT
ACTIVE
2
CARRIER
RX PKT
ACTIVE
3
CARRIER
RX PKT
Q OC-3/STM-POS
ACTIVE
CARRIER
RX PKT
OC-48/STM-16-SCPOS
EJECT
ACT
SIG
AC
T
SIG
SLOT-1
SLOT-0
CONSOLE ETH 2AUX
RESET
PERFORMANCE ROUTE PROCESSOR 2
BITS 1BITS 0
DATA
LINK
DATA
LINK
ETH 1ETH 0
EJECT
ACT
SIG
ACT
SIG
SLOT-1
SLOT-0
CONSOLE ETH 2AUX
RESET
PERFORMANCE ROUTE PROCESSOR 2
BITS 1BITS 0
DATA
LINK
DATA
LIN
K
ETH 1ETH 0
ALARM A
ALARM B
A
A
MBUS
M
IN
O
R
B
FAIL
ENABLE
M
A
J
O
R
C
R
I
T
IC
A
L
B
0
CSC
1
0
SFC
1
2
3
4
129102
STATUS
1
12000-SIP-600
0
S
T
A
T
U
S
ACTIVE/LINK
SPA-1XTENGE-XFP-A
C/A
TX
RX
1
STA
TU
S
SPA-4XCT3/DS0
0
A/L
C/A
TX
R
X
A/L
C/A
TX
RX
2
A/L
C/A
TX
RX
3
A/L
C/A
TX
RX
1
ST
A
T
US
SPA-4XCT3/DS0
0
A/L
C/A
TX
RX
A/L
C/A
TX
RX
2
A/L
C/A
TX
RX
3
A/L
C/A
TX
RX
1
S
T
AT
U
S
SPA-4XCT3/DS0
0
A/L
C/A
TX
RX
A/L
C/A
TX
RX
2
A/L
C/A
TX
RX
3
A/L
C/A
TX
RX
1
STA
T
U
S
SPA-4XCT3/DS0
0
A/L
C/A
TX
RX
A/L
C/A
TX
RX
2
A/L
C/A
TX
RX
3
A/L
4
2
1
5
3