Adtran 550 Guia Do Utilizador
Section 2 Engineering Guidelines
ATLAS 550 System Manual
36
© 2004 ADTRAN, Inc.
61200305L2-1B
BRI DBU Network Module (P/N 1200327L1), USOC RJ-49C
The BRI DBU Network Module provides a single 8-pin jack (RJ-49C) for connection to a standard BRI U inter-
face circuit. All BONDing functionality for 2B+D operation is provided on the module. Table 11 shows the
pinout for this connection.
face circuit. All BONDing functionality for 2B+D operation is provided on the module. Table 11 shows the
pinout for this connection.
6.
OPTION MODULE INTERFACES
The ATLAS 550 contains four option slots that hold a variety of modules. This sections provides a brief
description of these modules and their pinouts, as follows:
description of these modules and their pinouts, as follows:
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Octal/Quad FXS Option Module (P/N 1200309L1/1200328L1), 8-Pin Modular Jack
Each port of the Octal/Quad FXS Option Module has a single 8-pin modular jack. Table 12 shows the pinout.
Table 11. BRI DBU Network Module RJ-49C Pinout
Pin
Name
Description
1, 2, 3, 6, 7, 8
––––
Unused
4
RING
Ring to and from the network interface
5
TIP
Tip to and from the network interface
Table 12. FXS 8-Pin Modular Jack Pinout
Pin
Name
Description
1, 2, 3, 6, 7, 8
––––
Unused
4
RING
Ring to and from the analog phone interface
5
TIP
Tip to and from the analog phone interface