DS26502 Maxim Integrated Products, DS26502 Datasheet - Page 12

• Manufacturer Part Number: DS26502
• Description: T1/E1/J1/64KCC BITS Element
• Manufacturer: Maxim Integrated Products

Figure 3-2. Loopback Mux Diagram (T1/E1 Modes Only)
Figure 3-3. Transmit PLL Clock Mux Diagram
RECOVERED CLOCK
FROM RX
TO TX
LIU
LIU
TCLK PIN
JA CLOCK
+ DATA
- DATA
+ DATA
CLOCK
- DATA
CLOCK
TPCR.2
(HARDWARE MODE PIN NAME)
TPCR.3
TPCR.4
OUTPUT = 1.544MHz,
SEL
2.048MHz, 64kHz,
IN
LOOPBACK
6.312MHz
REMOTE
TX PLL
(LBCR.4)
ENABLED AND
ENABLED AND
ATTENUATOR
ATTENUATOR
IN RX PATH
IN TX PATH
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JITTER
JITTER
LOOPBACK
TPCR.6
TPCR.7
(LBCR.3)
LOCAL
OUT
SEL
(TCSS0)
(TCSS1)
TPCR.0
TPCR.1
DS26502 T1/E1/J1/64KCC BITS Element
TPCR.5
+ DATA
- DATA
+ DATA
- DATA
TX CLOCK
RCLK
FORMATTER
PLL_OUT PIN
TX CLOCK
FRAMER
FROM TX
TO RX