25
Echo 2 Mbps Multiplexer
TECHNICAL: 0118 931 2233
EXTERNAL
Clock sourced from external
clock connector. Must be
accurate to 50ppm or better.
External clock rate
must
be
set on screen to match the
reference used.
Configuration
LOCAL
REMOTE
"Modified" appears if change
has been made.
Back to Back demonstration connection
For a simple demonstration, or local network use, two Echo Multiplexers may be connected
'back to back', using a cross over cable arrangement, one unit being set to
internal clock
reference, the other to
loop clock
.
For
UK interfaces
, a pair of 75 Ohm BNC cables should be used, connecting TX on one unit
to RX on the other and visa versa.
For
European interfaces
an RJ45 crossover cable should be used, as described in Appendix
G, page 40.
The following diagrams show examples of the available clock options:
Internal Clock (other site in loop)
