MT9076
Preliminary Information
Bit
Name
SYNIM
Functional Description
7
Synchronization Interrupt Mask. When unmasked (SYNI = 1) an interrupt is initiated
whenever a change of state of loss of basic frame synchronization condition exists. If 1-
unmasked, 0 - masked.
6
5
MFSYIM Multiframe Synchronization Interrupt Mask. When unmasked (MFSYI = 1), an
interrupt is initiated whenever a change of state of multiframe synchronization exists. If
1- unmasked, 0 - masked.
CSYNIM CRC-4 Multiframe Synchronization Interrupt Mask. When unmasked (CSYNI = 1), an
interrupt is initiated whenever a change of state of CRC-4 multiframe synchronization
exists. If 1- unmasked, 0 - masked.
4
3
AISIM
Alarm Indication Signal Interrupt Mask. When unmasked (AISI = 1) a change of state
of received AIS will initiate an interrupt. If 1- unmasked, 0 - masked.
LOSIM
Loss of Signal Interrupt Mask. When unmasked this interrupt bit goes high whenever a
change of state of loss of signal (either analog - received signal 20 or 40 dB below
nominal or digital - 256 consecutive 0’s received) condition exists. If 1- unmasked, 0 -
masked.
2
1
0
CEFIM
YIM
Consecutively Errored FASs Interrupt Mask. When unmasked an interrupt is initiated
when two consecutive errored frame alignment signals are received. If 1 - unmasked, 0 -
masked.
Remote signaling Multiframe Alarm Interrupt Mask. When unmasked (YI = 1), an
interrupt is initiated whenever a change of state of when a remote signaling multiframe
alarm signal is received. If 1- unmasked, 0 - masked.
SLPIM
SLIP Interrupt Mask. When unmasked (SLPI = 1), an interrupt is initiated when a
controlled frame slip occurs. If 1- unmasked, 0 - masked.
Table 98 - Interrupt Mask Word Zero (E1)
(Page 1, Address 1BH)
Bit
Name
Functional Description
7
FERIM Frame Error Interrupt Mask. When unmasked (FERI = 1), an interrupt is initiated when an
error in the frame alignment signal occurs. If 1- unmasked, 0 - masked.
6
5
4
3
2
1
0
CRCIM CRC-4 Error Interrupt Mask. When unmasked an interrupt is initiated when a local CRC-4
error occurs. If 1 - unmasked, 0 - masked.
EBIM
Receive E-bit Interrupt Mask. When unmasked an interrupt is initiated when a receive E-bit
indicates a remote CRC-4 error. If 1 - unmasked, 0 - masked.
AIS16IM Channel 16 Alarm Indication Signal Interrupt Mask. When unmasked (AIS16I = 1), a
received AIS16 will initiate an interrupt. If 1- unmasked, 0 - masked.
LCVIM Line Code Violation Interrupt Mask. When unmasked an interrupt is initiated when a line
code violation error occurs. If 1 - unmasked, 0 - masked.
PRBSIM PRBS Interrupt Mask. When unmasked (PRBSI = 1), an interrupt is initiated on a single
PRBS detection error. If 1- unmasked, 0 - masked.
AUXPIM Auxiliary Pattern Interrupt Mask. When unmasked (AUXPI = 1), an interrupt is initiated
when the AUXP status bit of page 03H, address 15H goes high. If 1- unmasked, 0 - masked.
RAIIM
Remote Alarm Indication Interrupt Mask. When unmasked (RAII = 1) a received RAI will
initiate an interrupt. If 1- unmasked, 0 - masked.
Table 99 - Interrupt Mask Word One (E1)
(Page 1, Address 1CH)
100
MITEL [ MITEL NETWORKS CORPORATION ]
