Spa Slot Numbering On The Cisco Crs-1 Sip-800 - Cisco CRS-1 - Carrier Routing System Router Hardware Installation Manual

Identifying Slots and Subslots for SIPs and SPAs
Figure 2-3
0 1 2 3
For additional information about the slot locations of PLIMs and their associated modular services cards
(MSCs), see Cisco CRS-1 Carrier Routing System 16-Slot Line Card Chassis System Description or
Cisco CRS-1 Carrier Routing System 8-Slot Line Card Chassis System Description. Both documents are
available online from the specific chassis hardware documentation links at the following URL:
http://www.cisco.com/univercd/cc/td/doc/product/core/crs/index.htm

SPA Slot Numbering on the Cisco CRS-1 SIP-800

The Cisco CRS-1 SIP-800 accepts six single-height SPAs.
with two 4-Port OC-3c/STM-1 POS SPAs installed in subslots 0 and 3.
Subslots 0, 1, and 3 can provide up to 20 Gbps of capacity, as can subslots 2, 4, and 5. Take care not to
Note
install SPAs that require more than 20 Gbps of capacity in each group of subslots so as not to
oversubscribe the card. See the
information.
Figure 2-4
labels are located inside the SPA subslot and are only visible when the SPA is not installed.
Cisco CRS-1 Carrier Routing System SIP and SPA Hardware Installation Guide
2-4
8-Slot Line Card Chassis Slot Numbers—Front (PLIM) View
R R
P P 4 5 6 7
0 1
"Bandwidth Oversubscription" section on page 3-2
and Figure 2-5 illustrate the SPA subslot locations on the Cisco CRS-1 SIP-800. The subslot
Chapter 2 Overview: Cisco CRS-1 SPA Interface Processor
Figure 2-4 shows a Cisco CRS-1 SIP-800
for more
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