Page 270 of 906 NT5D33 and NT5D34 Lineside E1 Interface cards
553-3001-211 Standard 3.00 August 2005
When setting E1 Switch 2 dip switch settings, there are differences between vintages. For NT5D33AB or NT5D34AB cards, use Table 99. For NT5D33AC or NT5D34AC cards, use Table 99 on page 270.
Table 99
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
1ON
OFF
OFF
E1 coding AMI
HDB3
2ON
OFF
OFF
NOT USED leave ON 3ON ON
NOT USED leave ON 4OFF OFF
NOT USED leave ON 5OFF OFF
Line processing on E1
link failure
On-hook
Off-hook
6ON
OFF
ON
Daisy-chaining to MMI YES
NO
7ON
OFF
OFF
MMI master or slave Master
Slave
8ON
OFF
ON