Owner's manual

DS21455/DS21458 Quad T1/E1/J1 Transceivers

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Figure 36-9. Transmit Side 1.544MHz Boundary Timing (With Elastic Store

Enabled)

NOTE:

1) TCHBLK is programmed to block channel 24 (if the TPCSI bit is set, then the signaling data at TSIG

will be ignored during channel 24).

LSB F MSBLSB MSB

CHANNEL 1CHANNEL 24

ABC/AD/B ABC/AD/B

TSYSCLK

TSER

TSSYNC

TSIG

TCHCLK

TCHBLK

CHANNEL 23

CHANNEL 23 CHANNEL 24 CHANNEL 1