User`s guide

Section 360−381−S02

5.1 Set T1 Parameter

Select Settings"Set T1 Parameter to open the primary T1 card (T1-S) parameter settings.

Once you have finished configuring the card, click OK to activate the new settings, and click Close to close the

dialog box. To cancel changes without saving, click Close.

Figure 5. T1 Parameter Settings

Parameter Possible Choices Description

CGA Process

Mode

Normal Carrier group alarm response characteristics per Pub 43801.

Mode

CM2 Carrier group alarm mode 2 (see T1 Controller documentation)

CM3 Carrier group alarm mode 3 (see T1 Controller documentation)

Timing Source Loop Timing Internal clock synchronized to incoming T1 signal.

External Timing Internal clock synchronized to external clock input terminals on

rear panel.

Internal Timing Internal clock selected as master clock.

LBO (Line Build-

Out)

Short Haul: 0 to 660 ft. Pre-equalization of signal for line conditions.

Out)

Long Haul: 0, 7.5, 15, or

22.5 dB

Receive gain control for span line attenuation.

Frame Format SF Superframe format

ESF Extended Superframe format

Line Code AMI Alternate mark inversion

B8ZS Bit 8 zero suppression

Remote Control

Method (to the

None No communication to remote unit (non-Charles unit)

Method (to the

remote ICB

)

Occupy One Channel One 64K channel is used for communication.

remote ICB)

Using Facility Data Links Communication to remote over FDL (ESF format only)

Automatic Detect

Mode

No SF/ESF must be manually selected

Mode

Yes Auto detection of SF/ESF mode, requires loop timing