ATCA-F140-TCLK3 Information
ATCA-F140 Series Installation and Use (6806800M67S)
127
A.3
Telecom Clocking
The ATCA-F140-TCLK3 supports an optional telecom clocking subsystem that is
responsible for the generation and distribution of traceable telecom clocks for use
throughout the local shelf and up to five connected extension shelves.
T0 and T4 PLLs for the generation of T[0] system clocks and a T[4] SSU clock
Dual T1/E1 ports to allow reception of redundant T[3] BITS/SSU clocks
Generation of a traceable clock
Routing of telecom clocks to AMC site
Statum 3 oscillator
Table A-3
T1/E1 Port Connectors (J12-Lower 4 and J12-Upper 4)
RJ-45 Pin
Function
1
RX Ring
2
RX Tip
3
4
TX Ring
5
TX Tip
6
Port 2 -
7
Shield
8
Shield
