User Manual

Module Front Panel LED Indicators and Connectors – continued

6-30 1X SC4812T–MC BTS Optimization/ATP 5/21/04

DRAFT

STATUS

S Flashing GREEN– GLI is in service (INS), in a stable operating

condition.

S On – GLI is in OOS RAM state operating downloaded code.

S Off – GLI is in OOS ROM state operating boot code.

SPANS

S Solid GREEN – Span line is connected and operating.

S Solid RED – Span line is disconnected or a fault condition exists.

GLI Pushbuttons and

Connectors

RESET Pushbutton – Depressing the RESET pushbutton causes a

partial reset of the CPU and a reset of all board devices. The GLI2 is

placed in the OOS_ROM state

MMI Connector – The RS–232MMI port connector is intended to be

used primarily in the development or factory environment but may be

used in the field for debug/maintenance purposes.

LAN Connectors (A & B) – The two 10BASE2 Ethernet circuit board

mounted BNC connectors are located on the bottom front edge of the

GLI2; one for each LAN interface, A & B. Ethernet cabling is connected

to tee connectors fastened to these BNC connectors.

GLI2 Front Panel

Table 6-27 shows the front panel of the GLI2 card and includes a

description of the components.