1-16
Overview
Hardware Overview
Each slot can house one of the ten narrow modules available for WAN
connections. (See Table 1-1.)
Table 1-1. Narrow Slot Modules
Note For information on these or additional modules, please check the ProCurve
Web site at www.procurve.com. Click on Products & Solutions in the left
bar, then click on Secure Router 7000dl series under WAN.
E1 and T1 Modules
E-carrier lines are used in Europe, Asia, Australia, and South America.
T-carrier lines are used in the United States, Canada, and, to some degree,
in Japan.
Module Type of Module Explanation
E1 modules:
• one-port module
• two-port module
E1 module with integrated DSU supports E1-carrier lines when the service provider
does not provide an external DSU
T1 modules:
• one-port module
• two-port module
T1 module with integrated
CSU/DSU
supports T1-carrier lines when the service provider
does not provide an external CSU/DSU
E1 + G.703 module E1 for data and analog voice allocates some channels of the E1-carrier line for data
transmission and some channels for voice (through a
PBX)
T1 + DSX-1 module T1 for data and analog voice allocates some channels of the T1-carrier line for data
transmission and some channels for voice (through a
PBX)
serial module T1- or E1-carrier line that
connects to an external CSU/
DSU using a serial connector
supports E1- or T1-carrier lines when the service
provider provides an external CSU/DSU
ADSL2+ Annex A module ADSL2+ for most regions of
North America
provides up to 25 Mbps downstream and 1.544 Mbps
upstream; enables analog voice traffic to be transmitted
at lower frequencies on the local loop
ADSL2+ Annex B module ADSL2+ for Germany and other
areas of the world
provides up to 25 Mbps downstream and 1.544 Mbps
upstream; enables Integrated Services Digital Network
(ISDN) voice and fax traffic to be transmitted at lower
frequencies on the local loop
ISDN module (two ports) ISDN BRI for voice and data provides cost-efficient, dial-up WAN access