Rainbow Electronics DS2141A - Manual (Page 7)

DS2141A
021997 7/35
RCR2: RECEIVE CONTROL REGISTER 2 (2Ch)
(MSB) (LSB)
RCS RZBTSI RSDW RSM RSIO RD4YM FSBE BPVCRS
SYMBOL POSITION NAME AND DESCRIPTION
RCS RCR2.7 Receive Code Select.
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.
0=do not pulse double–wide in signaling frames.
1=do pulse double–wide in signaling frames.
(note: this bit must be set to 0 when RCR2.4 = 1 or when RCR2.3 = 1).
RSM RCR2.4 RSYNC Mode Select.
0=frame mode (see the timing in Section 13).
1=multiframe mode (see the timing in Section 13).
RSIO RCR2.3 RSYNC I/O Select.
0=RSYNC is an output.
1=RSYNC is an input (only valid if elastic store enabled).
(note: this bit must be set to 0 when CCR1.2 = 0).
RD4YM RCR2.2 Receive Side D4 Yellow Alarm Select.
0=0 in bit 2 of all channels.
1=a 1 in the S–bit position of frame 12.
FSBE RCR2.1 Fs–Bit Error Report Enable.
0=do not report bit errors in the Fs–bit position in FECR.
1=report bit errors in the Fs–bit position in FECR.
BPVCRS RCR2.0 BPVCRS Function Select.
0=counts bipolar violations.
1=counts ESF error events (CRC6 OR ’ed with RLOS).