Avaya CS700 Administration And Maintenance page 136

System Maintenance Options
.
Table 24: Layer 1 Configuration Parameters
Parameter
Standard
Framing
Signal Class
Coding
Length (T1 and T1CSU only)
Termination (ISDN signal class
only)
136 Administration and Maintenance of the CS700/CS780 Audio Conferencing Server
Description
Specifies the carrier rate for the trunk.
Specifies the framing type used for the trunk.
For T1 and T1CSU:
l
Extended Super Frame (ESF)
l
Super Frame (SF)
l
For E1:
l
CRC4
l
Basic
l
Specifies the signaling class for the trunk:
E&M (or Robbed Bit)
l
ISDN
l
Specifies the line coding for the trunk.
For T1 and T1CSU:
l
B8ZS
l
Jammed Bit (B7ZS)
l
AMI
l
For E1:
l
HDB3
l
AMI
l
Specifies the DSX-1 pre-equalization and DS-1
(CSU) line build out measured in feet:
0 - 133 translates to -15.0 dB for CSU.
l
133-266 translates to -7.5 dB for CSU.
l
266-399 translates to 0 dB for CSU.
l
399-533 translates to 0 dB for CSU.
l
533-655 translates to -22.5 dB for CSU.
l
Specifies the line impedance:
120 ohm for twisted pair
l
75 ohm for coaxial
l