DS33Z41DK
Figure 1. System Floorplan
DS33Z41 MAINBOARD
LEDS AND TESTPOINTS
DS21458 RESOURCE CARD
(DETAIL PROVIDED BELOW)
ETHERNET PHY,
MAGNETIC,
LEDS, AND
JUMPERS
SDRAM
DS33Z41
HARDWARE
MODE SWITCHES
FOR DS33Z41
MICROPROCESSOR
AND SERIAL PORT
(57600-8-N-1)
Figure 2 shows the DS21458 quad T1/E1 PC board floorplan. The current configuration is to populate oscillators
for MCLK1 with a 8.192MHz oscillator. Testpoints for port 3 and port 4 are provided on the WAN card, and
testpoints for ports 1 and 2 are provided on the motherboard.
Figure 2. DS21458 Resource Card Floorplan
OSC
PORT 2
MCLK1, 2
PORT 4
FPGA
INT LED
DS21458
QUAD-PORT
T1/E1
TRANSCEIVER
8 of 44
RLOS LEDS
PORT 1
PORT 3
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