Rainbow Electronics DS26519 - Manual (Page 188)

DS26519 16-Port T1/E1/J1 Transceiver
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Register Name: RLS1
Register Description: Receive Latched Status Register 1
Register Address: 090h + (200h x (n - 1)) + (2000h x [(n - 1) / 8]): where n = 1 to 16
Bit
# 7 6 5 4 3 2 1 0
Name RRAIC RAISC RLOSC RLOFC RRAID RAISD RLOSD RLOFD
Default 0 0 0 0 0 0 0 0
Note: All bits in this register are latched and can create interrupts.
Bit 7: Receive Remote Alarm Indication Condition Clear (RRAIC). Falling edge detect of RRAI. Set when a
RRAI condition has cleared.
Bit 6: Receive Alarm Indication Signal Condition Clear (RAISC). Falling edge detect of RAIS. Set when a RAIS
condition has cleared.
Bit 5: Receive Loss of Signal Condition Clear (RLOSC). Falling edge detect of RLOS. Set when an RLOS
condition has cleared.
Bit 4: Receive Loss of Frame Condition Clear (RLOFC). Falling edge detect of RLOF. Set when an RLOF
condition has cleared.
Bit 3: Receive Remote Alarm Indication Condition Detect (RRAID). Rising edge detect of RRAI. Set when a
remote alarm is received at RRINGn and RTIPn.
Bit 2: Receive Alarm Indication Signal Condition Detect (RAISD). Rising edge detect of RAIS.Set when an
unframed all-ones code is received at RRINGn and RTIPn.
Bit 1: Receive Loss of Signal Condition Detect (RLOSD). Rising edge detect of RLOS. Set when 192
consecutive zeros have been detected at RRINGn and RTIPn.
Bit 0: Receive Loss of Frame Condition Detect (RLOFD). Rising edge detect of RLOF. Set when the DS26519
has lost synchronized to the received data stream.