User`s guide
5-12 DL600E E1 Data Multiplexer UserÕs Guide
2 Set the external clock rate in the EXT CLK submenu. The clock
rate is in increments of 56K or 64K and the options are:
2048, 1984, 1920, 1856, 1792, 1736, 1728, 1680, 1664, 1624, 1600,
1568, 1536, 1512, 1472, 1456, 1408, 1400, 1344, 1288, 1280, 1232,
1216, 1176, 1152, 1120, 1088, 1064, 1024, 1008, 960, 952, 896, 840,
832, 784, 768, 728, 704, 672, 640, 616, 576, 560, 512, 504, 448, 392,
384, 336, 320, 280, 256, 224, 192, 168, 128, 112, 64
, 56
Digital Link recommends the external clock source be a square
wave of
50% duty cycle, TTL level (that is, 0 to 2.4Vmin)
The next section contains a detailed example of how to change
network settings.
Example of Setting Network Timing In terminal mode, the default setting
for network timing is net/INT in Main/Alt Sync. (refer to Menu-4 Main
ConÞguration on in Chapter 3). On the front panel, the default setting
appears in two parts beginning with
NET TIMING.
The example below shows how to change network timing.
1 From the top level, move to the CONFIGURATION menu with the
Up or Down Arrows and press ENTER to open the submenu.
2 Open the NET CONFIG menu by using the Up or Down Arrows
and pressing ENTER.
Open the
NET TIMING submenu.
MAIN CLK NET appears.
Press
ENTER to activate edit mode. (NET starts to blink.)
ENTER
UNIT CONFIG
NET CONFIG
TIMESLOT CONFIG
MONITOR
TEST
EFS 100 PERCENT
CONFIGURATION
ENTER
NET TIMING
ENTER
MAIN CLK NET