Tcc2 Card Functionality; Figure; Tcc2 Card Faceplate And Block Diagram - Cisco 15454-DS1-14= - 1.544Mbps Expansion Module Reference Manual

Chapter 2 Common Control Cards

Figure 2-1

FAIL
A
ACT/STBY
CRIT
MAJ
MIN
REM
SYNC
ACO
ACO
LAMP
RS-232
TCP/IP

2.2.1 TCC2 Card Functionality

The TCC2 card supports multichannel, high-level data link control (HDLC) processing for the DCC. Up
to 84 DCCs can be routed over the TCC2 card and up to 84 section DCCs can be terminated at the TCC2
card (subject to the available optical digital communication channels). The TCC2 card selects and
processes 84 DCCs to facilitate remote system management interfaces.
78-18106-01

TCC2 Card Faceplate and Block Diagram

TCC2
-48V PWR
Monitors
Real Time
Clock
PWR
B
Serial
Debug
400MHz
Processor
SDRAM Memory
& Compact Flash
Faceplate
Ethernet Port
Faceplate
RS-232 Port
System
Timing
FPGA
DCC
Processor
MCC1 MCC2
SCC1 SCC2
SCC3
FCC1
Communications
Processor
SCC4 FCC2
Ethernet
Repeater
RS-232 Craft
Interface
Note: Only 1 RS-232 Port Can Be Active -
Backplane Port Will Supercede Faceplate Port
Cisco ONS 15454 Reference Manual, R8.5
2.2.1 TCC2 Card Functionality
BACKPLANE
Ref Clocks
(all I/O Slots)
BITS Input/
Output
TCCA ASIC
SCL Links to
SCL Processor
All Cards
HDLC
Message
Bus
Modem
Modem
Interface
Interface
(Not Used)
Mate TCC2
HDLC Link
Mate TCC2
Ethernet Port
Backplane
Ethernet Port
(Shared with
Mate TCC2)
Backplane
RS-232 Port
(Shared with
Mate TCC2)
2-7