Table 4-1.
Standards Supported by E1 Modules
Type of Standard
E-carrier line
Electrical/power
For instructions on configuring E1 modules, see "E1 or T1 Interfaces: Config-
uring the Physical Layer" on page 4-10.
T1 Modules with a Built-in CSU/DSU
If your public carrier does not provide a CSU/DSU, you should use one of the
ProCurve Secure Router T1 modules, which include a built-in CSU/DSU:
one-port T1 module
two-port T1 module
eight-port wide-option module (ProCurve Secure Router 7203dl only)
Supported Standards
The ProCurve Secure Router T1 modules support the standards listed in
Table 4-2.
Port
• International Telecommunications Union (ITU) G.703
• ITU-T G.704 (CRC-4)
• ITU-T G.823
• ITU-T G.797
• Norme Europeenne (EN) 60950 (EN is also referred to as
European Standards.)
• International Electrotechnical Commission (IEC) 60950
• Australian Standard/New Zealand Standard (AS/NZS) 60950
Configuring E1 and T1 Interfaces
ProCurve Secure Router Modules
4-9