Specifications

CHAPTER
4-1
Cisco ONS 15454 Troubleshooting and Maintenance Guide
November 2001
4
Card Reference
This chapter describes Cisco ONS 15454 card features and functions. For installation and card turn-up
procedures, see the Cisco ONS 15454 Installation and Operations Guide.
4.1 Card Overview
The card overview section summarizes card functions, power consumption, temperature ranges, and
compatibility.
Note Each card is marked with a symbol that corresponds to a slot (or slots) on the ONS 15454 shelf
assembly. The cards are then installed into slots displaying the same symbols. See the Cisco ONS
15454 Installation and Operations Guide for a list of slots and symbols.
4.1.1 Common Control Cards
Table 4-1 lists five common control cards for the Cisco ONS 15454 and summarizes card functions.
Table 4-1 Common Control Card Functions
Card Description For Additional Information...
TCC+
The TCC+ is the main processing center for the ONS
15454 and provides system initialization, provisioning,
alarm reporting, maintenance, and diagnostics.
See the “Timing Communication
and Control (TCC+) Card”
section on page 4-17
XC
The XC card is the central element for switching; it
establishes connections and performs time division
switching (TDS).
See the “XC Cross-Connect
Card” section on page 4-20
XCVT
The XCVT card is the central element for switching; it
establishes connections and performs time division
switching (TDS). The XCVT can manage STS and VT
circuits up to 48c.
See the “XCVT Cross-Connect
Card” section on page 4-23