ds21ft40 Maxim Integrated Products, Inc., ds21ft40 Datasheet - Page 68

• Manufacturer Part Number: ds21ft40
• Description: Ds21ft40 Four X Three 12 Channel E1 Framer
• Manufacturer: Maxim Integrated Products, Inc.

RECEIVE SIDE 1.544 MHz BOUNDARY TIMING (with elastic store enabled)
Figure 16-3
RECEIVE SIDE 2.048 MHz BOUNDARY TIMING (with elastic store enabled)
Figure 16-4
RSYSCLK
RSYSCLK
RSYNC
RSYNC
RSER
RSYNC
RSYNC
RSER
1
2
2
1
3
Notes:
1. RSYNC is in the output mode (RCR1.5 = 0)
2. RSYNC is in the input mode (RCR1.5 = 1)
Notes:
1. Data from the E1 channels 1, 5, 9, 13, 17, 21, 25, and 29 is dropped (channel 2 from the E1 link is
2. RSYNC is in the output mode (RCR1.5 = 0)
3. RSYNC is in the input mode (RCR1.5 = 1)
mapped to channel 1 of the T1 link, etc.) and the F-bit position is added (forced to one)
CHANNEL 23/31
CHANNEL 31
LSB MSB
LSB
MSB
CHANNEL 24/32
CHANNEL 32
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LSB
LSB
F
MSB
MSB
CHANNEL 1/2
CHANNEL 1
DS21FT40