Rainbow Electronics DS2141A User Manual
Page 25

DS2141A
021997 25/35
RECEIVE SIDE BOUNDARY TIMING (WITH ELASTIC STORE(S) DISABLED)
RCLK
RPOS
1
,
RNEG
TSER/
RSER
1
RSYNC
RCHCLK
RCHBLK
2
RLCLK
RLINK
LSB
F
MSB
LSB MSB
LSB MSB
CHANNEL 1
CHANNEL 2
LSB MSB
LSB
MSB
F
CHANNEL 23
CHANNEL 24
CHANNEL 1
NOTES:
1. There is a 13 RCLK delay from RPOS, RNEG to RSER.
2. RCHBLK is programmed to block Channel 24.
TRANSMIT SIDE D4 TIMING
1
2
3
4
5
6
7
8
9
10
11
12
1
2
3
4
5
FRAME#
TSYNC
1
TSYNC
2
TSYNC
3
TLCLK
TLINK
4
NOTES:
1. TSYNC in the frame mode (TCR2.3=0) and double–wide frame sync is not enabled (TCR2.4=0).
2. TSYNC in the frame mode (TCR2.3=0) and double–wide frame sync is enabled (TCR2.4=1).
3. TSYNC in the multiframe mode (TCR2.3=1).
4. TLINK data (S–bit) is sampled during the F–bit position of even frames for insertion into the outgoing T1 stream
when enabled via TCR1.2.