Verilink Access Manager 2000 (896-502037-001) Product Manual - Manual (Page 343)

Access Manager 2000 Manual A-11
G, H
Hub Office A central location from which an operator can access an Access
System 2000 node for administration and/or testing. The Access
Manager 2000 controller is normally located at the hub office for
dial-up interface with systems at one or more distant customer
premises.
Hz Hertz: A unit of frequency equal to one cycle per second.
I, J,
Idle Code The code that is transmitted when no user data is present on the net.
The Idle Code may be configured for ALL-ONES or Flags [01111110].
In-band Within the same frequency band.
Jitter The slight movement of a transmission signal which can introduce
errors and loss of synchronization in high speed synchronous
transmission links.
kbps See Kilobits Per Second.
Kilobits per
Second A measure of data transfer equaling one thousand binary digits
transmitted or received through a medium every (one) second.
L
LAN See Local Area Network.
LBO See Line Build-Out
LED See Light Emitting Diode.
Light Emitting Diode A light-emitting diode is a device which will light up when the proper
current is passed through it. It is used on Verilink modules for
identifying loops, errors, and other current conditions of T1 lines.
Line Build-Out Line Build-Out is the attenuation signal strength used by the CSU to
the network interface and is determined byh the distance from the CSU
to the first line repeater.
Term Definition