Datasheet

Table 36: 1-Port T1/E1 Mini-PIM LED States
DescriptionStateColorLED
Indicates that there is a local or remote
alarm; device has detected a failure.
OnYellowALARM
Indicates that 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
Related
Documentation
1-Port T1/E1 Mini-Physical Interface Module Overview on page 81•
• 1-Port T1/E1 Mini-Physical Interface Module Hardware Specifications on page 82
• 1-Port T1/E1 Mini-Physical Interface Module Network Interface Specifications on page 82
• 1-Port T1/E1 Mini-Physical Interface Module Supported Standards on page 83
• 1-Port T1/E1 Mini-Physical Interface Module Key Features on page 84
• 1-Port T1/E1 Mini-Physical Interface Module Supported Loopback Diagnostics on page 85
• 1-Port T1/E1 Mini-Physical Interface Module Basic Configuration on page 86
1-Port T1/E1 Mini-Physical Interface Module 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)
85Copyright © 2012, Juniper Networks, Inc.
Chapter 9: 1-Port T1/E1 Mini-Physical Interface Module