Nortel Networks Circuit Card User Manual
NT5D33 and NT5D34 Lineside E1 Interface cards
Page 271 of 906
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
MMI command Display Configuration (D C). See “Man-Machine E1
maintenance interface software” on
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
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
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
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