6-55
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 cons i st o f t he device to loop and the pattern. T hi s sec t ion li st s the d e v ice optio ns
and patterns that appear in th e menus. Refer to the precedi ng tables as needed. The device to loop options
identify the type of device th at pa rticipates 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 an d ca n be :
Latching DS0-DP drop device
Latching DS0-DP line device
Latching office channel unit (OCU)
Latching channel service u n it (C S U )
Latching data service unit (DSU)
Latching HL96 device
in-band/ESF
v54 is a polynomial loopback
metallic is a local loopback w it hi n th e se rv i ce m odule and does not involve an external d evice
The available patterns are:
1. All 0s
2. All 1s
3. Alternating 1-0 pattern
Table6-10 Loopback Test for MGX-AU SM-8T1
Test Medium Medium Type Loopback
Line n/a far end, remote, or
metallic
Table 6-11 Pattern Test for MGX -AUSM-8 E1
Test Medium Medium Type Device to Loop BERT Pattern
Line n/a none all patterns
Table6-12 Loopback Test for MGX-AU SM-8E1
Test Medium Medium Type Loopback
Line n/a remote or metallic