Verilink AS4000 (34-00244) Product Manual - Manual (Page 138)

Octal DS-1/E1
9-6 Verilink AS4000 User Manual
Table 9-2 Link Configuration Fields (continued)
Octal DS-1/E1 Diagnostics
• Line Diagnostics Center
• Backplane Check
• System Status
Line Diagnostics
Center
To run Diagnostics on the Octal DS-1/E1 Diagnostics module:
1. From the Main Menu, select Node Summary.
2. Select a slot that has been configured for Octal T1/E1.
3. From the Octal T1/E1 Main Menu, select Diagnostics.
4. From the Diagnostics Menu, select Line Diagnostics Center.
See Figure 9-5 .
Field Description
Yellow Alarm
(option field)
Yes causes the module to discard data and send a yellow alarm if it is in a red
alarm condition after a three-second period. Yes must be chosen if the network
supplier is a common carrier, such as a telephone company.
Unused DS0s
(option field)
This selection determines whether the data that will be transmitted over the
unused DS0s will be Idle or Busy.
ESF Format (T1 only)
(option field)
This entry describes the types of ESF network commands that the module will
respond to. It has no meaning for D4 networks. With ESF networks, this
information must be obtained from the network supplier. Choose between AT&T
Technical Reference 54016 and ANSI specification T1.403.
Short Haul Physical interface selection for co-located E1 equipment.
Long Haul Physical interface selection for long connection to E1 equipment.
LBO
(T1 option field)
Long Haul = 0.0db through 22.5db (options: 0.0db, 7.5db, 15.0db, 22.5db)
Short Hall = 0-133 Ft. through 655 Ft. (options: 0-133 Ft., 133-266 Ft., 266-399
Ft., 399-533 Ft., 533-655 Ft.)
Long haul/short haul designation for E1 is defined by authentication of signal
presented to the receiving circuitry, not by cable length. Short haul is defined as
0 to -6db, long haul as 0 to -34db. This loss is related to cable type and cable
length.