Rainbow Electronics DS21458 - Manual (Page 233)

DS21455/DS21458 Quad T1/E1/J1 Transceivers
233 of 270
Figure 36-6. Transmit Side D4 Timing
NOTES:
1) TSYNC in the frame mode (IOCR1.2 = 0) and double-wide frame sync is not enabled (IOCR1.1 = 0).
2) TSYNC in the frame mode (IOCR1.2 = 0) and double-wide frame sync is enabled (IOCR1.1 = 1).
3) TSYNC in the multiframe mode (IOCR1.2 = 1).
4) TLINK data (Fs-bits) is sampled during the F-bit position of even frames for insertion into the
outgoing T1 stream when enabled via T1TCR1.2.
1 2 3 4 5 6 7 8 9 10 11 12 1 2 3 4 5
1
2
3
4
TSSYNC
FRAME#
TLCLK
TSYNC
TSYNC
TSYNC
TLINK