Page 258 of 894 NT5D33 and NT5D34 Lineside E1 Interface cards
553-3001-211 Standard 2.00 September 2004
When setting E1 Switch 2 dip switch settings, there are differences between
vintages. For NT5D33AB or NT5D34AB cards, use Table 94. For
NT5D33AC or NT5D34AC cards, use Table 94 on page 258.
Table 94
LEI 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
OFF
E1 coding AMI
HDB3
2 ON
OFF
OFF
NOT USED leave ON 3 ON ON
NOT USED leave ON 4 OFF OFF
NOT USED leave ON 5 OFF OFF
Line processing on E1
link failure
On-hook
Off-hook
6 ON
OFF
ON
Daisy-chaining to MMI YES
NO
7 ON
OFF
OFF
MMI master or slave Master
Slave
8 ON
OFF
ON