Verilink Access Manager 2000 (896-502037-001) Product Manual - Manual (Page 39)

Network Elements
Access Manager 2000 User Manual 1-9
Dual-Line and Multiline Circuit Elements
The multiline circuit element plug-in modules with which Access
Manager interfaces are as follows:
Refer to the hardware manuals for more information on these plug-in
modules.
A circuit is the combination of any two network CSU circuit elements
and their interconnecting DS1 facility, which have Access Manager
access in a DS1 network.
Since all polled performance data is stored in the database by parent node
name and circuit element number, the circuit definition contains this path
for a circuit element whose performance data is collected through the
ESF Data Link.
4016R Plug-in CSU module in 551VST MLS shelves.
4016 List 1 Plug-in CSU module in 551VST ML List 1 or 2 shelves.
4016 List 2 Plug-in CSU module in 551VST ML List 1 or 2 shelves.
CCC 1020 Plug-in CSU module in ConnecT1 Plus shelves; it can also
function as the node for ConnecT1 Plus shelves.
TAC 1010 Plug-in CSU module in ConnecT1 Plus nodes.
DIU 1130 Plug-in module in ConnecT1 Plus shelves providing high
speed data features.
TIU 1850 Plug-in module in ConnecT1 Plus shelves providing timing
from external clock for interface between DIUs and CSUs.
NCC 2020 Plug-in CSU module in Access System 2000 shelves; it can
also function as the node for AS2000 shelves.
TAC 2010 Plug-in CSU module in Access System 2000 nodes.
DIU 2130 Plug-in module in Access System 2000 shelves, providing
high speed data features.
DIU 2132 Plug-in module in Access System 2000 shelves, for Switched
Multi-megabit Data Service.
DIU 2140 Plug-in module in Access System 2000 shelves, providing
subrate digital data service feature.
TIU 2850 Plug-in module in Access System 2000 shelves, providing
timing from external clock for interface between DIUs and
CSUs.
Circuit