68P80801E30-A 5/1/2002
9-5
Gen 3 Site Controller System Manual
Chapter 9 Controller
Controller
Connectors
The following connectors are located on the front panel:
■
Network Access bantam jacks
– bantam jacks provide access for
servicing the T1/E1 network
■
Monitor SMB port
– provides access for monitoring the time and
frequency reference signals
■
Service Access DB9 connection
– provides MMI serial port access
.
Table 9-2
Front Panel Switches
Switch Name
Switch Function
Sel / Loop
Push to select T1 / E1 span. Push and hold (> 2 seconds) to loop / deloop selected span.
Abort / Reset
Push for abort. Push and hold (>2 seconds) for reset
Power
Power On / Off switch
Table 9-3
Front Panel Connectors
Connector
Function
Service Access
Serial RS232 MMI (Man Machine Interface)
Mon
5MHz / 1PPS monitor
T1 / E1 Net
Mon /Eqp
Net -> Eqp / Net: Break into T1 / E1 from network (receive T1 / E1)
Net -> Eqp / Mon: Monitor T1 / E1 from network (receive T1 / E1)
Net -> Eqp / Eqp: Break into T1 / E1 to equipment (receive T1 / E1)
Net <- Eqp / Net: Break into T1 / E1 to network (transmit T1 / E1)
Net <- Eqp / Mon: Monitor T1 / E1 to network (transmit T1 / E1)
Net <- Eqp / Eqp: Break into T1 / E1 from equipment (transmit T1 / E1)