Juniper SRX550 - 1-Port T1;E1 Mini-Physical Interface Module (SRX-MP-1 T1 E1-R) Supported Loopback Diagnostics; Table 21: 1-Port T1;E1 Mini-PIM (SRX-MP-1 T1 E1-R) LED States

Table 21: 1-Port T1/E1 Mini-PIM (SRX-MP-1T1E1-R) LED States
DescriptionStateColorLED
Indicates that there is a local or remote
alarm; device has detected a failure.
OnYellowALARM
Indicatesthat there are no alarms or failures.Off
Indicates that a loopback or line state is
detected.
OnYellowLOOPBACK
Indicates that the loopback is not active.Off
Indicates that the Mini-PIM link is up.OnGreenCD (Carrier
Detector)
Indicates that carrier detect is not active.Off
1-Port T1/E1 Mini-Physical Interface Module (SRX-MP-1T1E1-R) Supported Loopback Diagnostics
The 1-Port T1/E1 Mini-Physical Interface Module (Mini-PIM) has the following loopback
diagnostics:
•
Local, remote, payload
•
Test patterns (BERT)
•
All ones
•
All zeros
•
Alternating ones and zeros (AA/55)
•
1:3 or 1-in-4 pattern
•
1:7 or 1-in-8 pattern
•
3:24 - 3 bits set in every 24 bits
•
QRSS20 (Modified PRBS 2^20-1, with 14 zero suppression)
•
PRBS 2^7-1 - PRBS 2^9-1 (as specified in ITU-T O.153)
•
PRBS 2^11-1 (as specified in ITU-T O.153)/2047 pattern
•
PRBS 2^15-1 (as specified in ITU-T O.151/O.153)
•
PRBS 2^20-1 (as specified in ITU-T O.153)
•
Programmable word or 32-bit programmable pattern
•
Network (T1) alarms
•
LOS, LOF, AIS, YLW
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