Motorola operation manual SG2-DRT-3X block diagram, SG2-DRT-3X transmitter

2STARLINE

Figure 1 illustrates a block diagram of the SG2-DRT-3X.

Figure 1

SG2-DRT-3X block diagram

LF pilot		Filter and
generator	clock driver

Frame

synchronization

5-42 MHz	42 MHz	A/D
	LPF	converter
	Pin	Gain
	attenuator	block		Laser	ITU laser
				driver
		RF
		detector
	LF pilot
	generator
5-42 MHz	42 MHz	A/D	32:1	3.1 GHz
	LPF	converter	multi-	xoscillator
			plexer
	Pin	Gain
	attenuator	block
		RF
		detector
	LF pilot
	generator		Microprocessor
5-42 MHz	42 MHz	A/D
	LPF	converter
	Pin	Gain	ADC in	DAC out
	attenuator	block
		RF
		detector

Figure 2 illustrates a top view of the SG2-DRT-3X.

Figure 2

SG2-DRT-3X transmitter

1		2
	F
OPTICAL
	A
POWER	U
(1 V/mW)	L		O
	T		N

ALARM

3 4

SG2-DRT-3X

Digital Return Optical Transmitter

I	I
N	N
P	P
U	U
T	T
A	B

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ITU/CH XX WAV XXXX.XX

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5

SG2-DRT-3X Installation Sheet