8
Installing External Clock Cables
Assembling External Clock Cables Based on the Pin Assignment
a
Installing External Clock/Time Cables for the RTN 980L
b
CLK/TOD1
CSHL board
The CSHL board provides the CLK/TOD1, TOD2 port.
CLK/TOD1
Pin
Color
Relationship
White/Orange
Orange
White/Green
Green
Blue
White/Blue
White/Brown
Brown
1
2
3
6
4
5
7
8
Twisted
pair
Twisted
pair
Positive transmit end of the
external clock
Negative transmit end of the
external clock
Negative receive end of the
external clock
Twisted
pair
Positive receive end of the
external clock
Twisted
pair
External time 1_P
External time 1_N
External time 2_N
External time 2_P
30
CLK/TOD1
Positive transmit end of the
external clock
Negative transmit end of the
external clock
Negative receive end of the
external clock
Positive receive end of the
external clock
External time 1_P
External time 1_N
External time 2_N
External time 2_P