Rainbow Electronics DS2152 - Manual (Page 17)

DS2152
031897 17/79
OOF2 RCR1.4 Out Of Frame Select 2.
0 = follow RCR1.5
1 = 2/6 frame bits in error
SYNCC RCR1.3 Sync Criteria.
In D4 Framing Mode
0 = search for Ft pattern, then search for Fs pattern
1 = cross couple Ft and Fs pattern
In ESF Framing Mode
0 = search for FPS pattern only
1 = search for FPS and verify with CRC6
SYNCT RCR1.2 Sync Time.
0 = qualify 10 bits
1 = qualify 24 bits
SYNCE RCR1.1 Sync Enable.
0 = auto resync enabled
1 = auto resync disabled
RESYNC RCR1.0 Resync. When toggled from low to high, a resynchronization of the receive
side framer is initiated. Must be cleared and set again for a subsequent
resync.
RCR2: RECEIVE CONTROL REGISTER 2 (Address=2C Hex)
(MSB) (LSB)
RCS RZBTSI RSDW RSM RSIO RD4YM FSBE MOSCRF
SYMBOL POSITION NAME AND DESCRIPTION
RCS RCR2.7 Receive Code Select. See Section 8 for more details.
0 = idle code (7F Hex)
1 = digital milliwatt code (1E/0B/0B/1E/9E/8B/8B/9E Hex)
RZBTSI RCR2.6 Receive Side ZBTSI Enable.
0 = ZBTSI disabled
1 = ZBTSI enabled
RSDW RCR2.5 RSYNC Double–Wide. (note: this bit must be set to zero when RCR2.4 = 1
or when RCR2.3 = 1)
0 = do not pulse double–wide in signaling frames
1 = do pulse double–wide in signaling frames
RSM RCR2.4 RSYNC Mode Select. (A Don’t Care if RSYNC is programmed as an input)
0 = frame mode (see the timing in Section 15)
1 = multiframe mode (see the timing in Section 15)
RSIO RCR2.3 RSYNC I/O Select. (note: this bit must be set to zero when CCR1.2 = 0)
0 = RSYNC is an output
1 = RSYNC is an input (only valid if elastic store enabled)
RD4YM RCR2.2 Receive Side D4 Yellow Alarm Select.
0 = zeros in bit 2 of all channels
1 = a one in the S–bit position of frame 12
FSBE RCR2.1 PCVCR Fs–Bit Error Report Enable.
0 = do not report bit errors in Fs–bit position; only Ft bit position
1 = report bit errors in Fs–bit position as well as Ft bit position