16
V.35 SINGLE FIBER DRIVERS
5.2 Power-up/Synchronization
Apply AC power to the V.35 Single Fiber Driver by plugging the separate AC
power adapter first into the rear-panel outlet of the Driver (refer to Figure 4-1
in
Chapter 4
) and then into the acceptable AC power outlet. There is no
power switch on the Driver; when the Power LED is glowing steady, the
Driver is powered up.
IMPORTANT!
Make sure the front-panel toggle switch on both V.35 Single Fiber Drivers
is set to NORMAL.
After both the local and remote Drivers are powered up, a synchronization
process must occur between the two modems before a link can be established.
Depending upon a number of factors, this synchronization process can take
as long as 60 seconds. Any time one or the Drivers loses power (in a lightning
storm, for example), the local and remote units must re-synchronize before
they can resume data transmission.
NOTE
If your application cannot tolerate a 60-second synchronization phase,
turning on the front-panel “Test Modes” switch to REMOTE and then
back to NORMAL will synchronize the units within 250 ms.
When both Drivers are powered up and passing data normally, the following
LED conditions will exist:
• PWR = green
• TD and RD = flashing red and green
• RTS and DCD = green
• TEST = off
