User`s guide

Section 360−381−C02
6
Menu Selection Use To...
System Alarm Status Retrieve system alarms (display only)
ICB Card RTC Time Set the system real-time clock
Time Slot Allocation Mapping Allocate an available circuit to the T1 time slot
4.1.1. Retrieve and Set T1 Parameters
Use this menu item to display the current parameters and/or change the parameters of the primary T1 card.
ESF
B8ZS
Loop
0 - 110
No
Facility Data Link
Normal
Normal
Normal T1
T1 Parameter Menu
Frame Format
Line Code
Timing Source
LBO
Auto Detect Mode
Remote Control Method
Loopback State
T1 Working Mode
T1 Working Status
Error Second Threshold
Apply New Settings
CCA Process Mode
Figure 5. T1 Parameter Options
Parameter Option Description
Frame Format SF Superframe format
ESF Extended Superframe format
Line Code AMI Alternate mark inversion
B8ZS Bipolar 8 zero suppression
Timing Source Loop Timing Internal clock synchronized to incoming T1 signal
External Timing Internal clock synchronized to external clock terminals on rear
panel
Internal Timing Internal clock selected as master clock
LBO (Line
B ild O t)
Short Haul: 0−660 ft. Pre-equalization of signal for line conditions
Build-Out)
Long Haul: 0 to 22.5 dB Receive gain control for line attenuation
Automatic
Detect Mode
No SF/ESF must be manually selected
Detect Mode
Yes Auto detection of SF/ESF mode, requires loop timing
Remote Control
Method
None No communication to remote unit (non-Charles Industries unit)
Method
(to
r
e
m
ote
I
C
B
)
Occupy One Channel One channel is used for communication
(to remote ICB)
Facility Data Links Communication is over FDL (ESF mode only)