HP ProCurve Secure 7000dl Series Basic Management And Configuration Manual page 41

Module
E1 modules:
• one-port module
• two-port module
T1 modules:
• one-port module
• two-port module
E1 + G.703 module
T1 + DSX-1 module
serial module
ADSL2+ Annex A module
ADSL2+ Annex B module
ISDN module (two ports)
Figure 1-6. Two Narrow Slots
Each slot can house one of the ten narrow modules available for WAN
connections. (See Table 1-1.)
Table 1-1. Narrow Slot Modules
Type of Module
E1 module with integrated DSU
T1 module with integrated
CSU/DSU
E1 for data and analog voice
T1 for data and analog voice
T1- or E1-carrier line that
connects to an external CSU/
DSU using a serial connector
ADSL2+ for most regions of
North America
ADSL2+ for Germany and other
areas of the world
ISDN BRI for voice and data
Slot 1
Explanation
supports E1-carrier lines when the service provider
does not provide an external DSU
supports T1-carrier lines when the service provider
does not provide an external CSU/DSU
allocates some channels of the E1-carrier line for data
transmission and some channels for voice (through a
PBX)
allocates some channels of the T1-carrier line for data
transmission and some channels for voice (through a
PBX)
supports E1- or T1-carrier lines when the service
provider provides an external CSU/DSU
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
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
provides cost-efficient, dial-up WAN access
Overview
Hardware Overview
Slot 2
1-15