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Cisco MGX 8230 Edge Concentrator Installation and Configuration
Release 1.1.31, Part Number 78-11215-03 Rev. B0, May 2001
Chapter6 Card and Service Configuration
Service Resource Module
Pattern Test Options
The pattern test options consist of the device to loop and the pattern. This section lists the device options
and patterns that appear in the menus. Refer to the preceding tables as needed. The device to loop options
identify the type of device that participates in the test:
• noLatch is a device that does not latch the data. It can be:
–
Nonlatching office channel unit (OCU) that consists of one device
–
Nonlatching OCU that consists of a chain of devices
–
Nonlatching channel service unit (CSU)
–
Nonlatching data service unit (DSU)
• Latch is a device that can latch the data and can be:
–
Latching DS0-DP drop device
–
Latching DS0-DP line device
–
Latching office channel unit (OCU)
–
Latching channel service unit (CSU)
–
Latching data service unit (DSU)
–
Latching HL96 device
• in-band/ESF
• v54 is a polynomial loopback
• metallic is a local loopback within the service module and does not involve an external device
The available patterns are:
1. All 0s
2. All 1s
3. Alternating 1-0 pattern
Table 6-10 Loopback Test for MGX-AUSM-8T1
Test Medium Medium Type Loopback
Line n/a far end, remote, or
metallic
Table 6-11 Pattern Test for MGX-AUSM-8E1
Test Medium Medium Type Device to Loop BERT Pattern
Line n/a none all patterns
Table 6-12 Loopback Test for MGX-AUSM-8E1
Test Medium Medium Type Loopback
Line n/a remote or metallic