Nortel Networks Circuit Card - Manual (Page 271)

NT5D33 and NT5D34 Lineside E1 Interface cards Page 271 of 906
Circuit Card Description and Installation
After the card has been installed, display the dip switch settings using the
MMI command Display Configuration (D C). See “Man-Machine E1
maintenance interface software” on
page 284 for details on this and the rest
of the available MMI commands.
Installation
Because of the wiring in some of the system modules and cabinets, the LEI
will only work in certain card slot pairs. These restrictions depend on the type
Table 100
ELEI card – E1 Switch 2 (S2) dip switch settings
Characteristic Selection
Switch
Position
Switch
Setting
Factory
Default
E1 framing CRC-4 Disabled
CRC-4 Enabled
1 ON
OFF
ON
E1 coding AMI
HDB3
2 ON
OFF
OFF
NOT USED leave ON 3 ON ON
NOT USED leave ON 4 OFF OFF
Mode LEI Mode
ELEI Mode
5 OFF
ON
OFF
Line processing on E1
link failure On-hook
Off-hook
6 ON
OFF
OFF
Daisy-chaining to MMI YES
NO
7 ON
OFF
OFF
MMI master or slave Master
Slave
8 ON
OFF
ON