61202800L1-1B
IQ 710
Section 2, Engineering Guidelines
Page 29
© 2002 ADTRAN, Inc.
IQ 710 System Manual
6.
DIAL BACKUP INTERFACE MODULES
V.34 DBU Module (P/N 1204002L3)
The following table shows the pinouts for the V.34 DBU Module.
Table 9. V.34 DBU Module Pin Assignments
ISDN BRI DBU Module (P/N 1204004L2)
The following table shows the pinouts for the ISDN BRI DBU Module.
Table 10. ISDN BRI DBU Module Pin Assignments
ISDN PRI DBU Module (P/N 1204008L2)
The following table shows the pinouts for the ISDN PRI DBU Module.
Table 11. ISDN PRI DBU Module Pin Assignments
Pin
Name
Description
1-3
-
Not Used
4
T
Network-Tip
5
R
Network-Ring
6-8
-
Not Used
Pin
Name
Description
1-3
-
Not Used
4
T
Network-Tip
5
R
Network-Ring
6-8
-
Not Used
Pin
Name
Description
1
R1
RXDATA-RING
Receive data from the net-
work
2
T1
RXDATA-TIP
Receive data from the net-
work
3
UNUSED
--
4
R
TXDATA-RING
Send data toward network
5
T
TXDATA-TIP
Send data toward network
6,7,8
UNUSED
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