Installation guide

1-10
Cisco 6260 Hardware Installation Guide
OL-2365-02
Chapter 1 Product Overview
Cisco 6260 System Overview
1.1.2.4.3 Subtended Network Configuration with OC-3c/OC-3c NI-2 Cards
In a subtended network configuration using OC-3c/OC-3c NI-2 cards (SMF or MMF), you can subtend
up to 12 OC-3c configured chassis in a daisy chain, all connecting through one subtending host chassis
to the ATM backbone (see Figure 1-5).
Note The Cisco 6260 chassis can also serve as the subtending host chassis to, or as a subtended node chassis
from, the Cisco 6100, Cisco 6130, Cisco 6015, or Cisco 6160 chassis.
Figure 1-5 Daisy Chain Topology for OC-3c Interfaces
1.2 Cisco 6260 System Overview
The Cisco 6260 system consists of circuitry and connections that reside within a chassis, an enclosure
that allows modular insertion and removal of various field-replaceable units (FRUs). The Cisco 6260
system includes
• A card compartment with 32 slots: 30 slots for xTU-C line cards and two slots for NI-2 cards
• A set of connectors that serve subscriber lines with or without POTS splitters
• An I/O module
• Compartments for two PEMs, two fan trays, and air filters.
See Figure 1-1 for the location of the system components in the Cisco 6260 chassis.
Note For hardware specifications for the Cisco 6260 chassis, see the “Cisco 6260 Chassis” section on
page A-2.
1.2.1 Cisco 6260 Card Compartment
The Cisco 6260 chassis contains a 32-slot card compartment holds NI-2 cards and xTU-C line cards.
Table 1-2 describes each card slot assignment for the Cisco 6260 chassis.
26392
1st subtended
chassis
Up to 10 more
subtended
chassis
Network
trunk
To p
chassis
Cisco 6260 Cisco 6260 Cisco 6260
2nd subtended
chassis