Carrier Access Broadmore 1750 - Manual (Page 153)

Broadmore 1750 - Release 4.6 7-39
Configuration
OC-12c/STM-4c
OC-12c/STM-4c
Choose the slot (A or B) containing the OC-12c/STM-4c to be configured and a
parameter input screen appears. The table below is a guide to parameter configuration.
If a second OC-12c/STM-4c is installed, repeat this process for the configuration.
Follow the module-specific information above, as appropriate.
Item Options Comment
Port Mode On-line
Off-line
Test Download Standby
Configuration Request
Broken This field is a status indicator and the items displayed are
the result of configuration (or other) actions.
Framing Type SONET
SDH SDH is for International ITU applications. SONET is for
US applications.
Transmit Timing Recovered
BITS
Local
Recovered means from SONET.
BITS impedance matching is a hardware function; see
NIM Installation, Chapter 3. BITS is tied to the local in-
house timing source.
Local is on-board Stratum 3 timing source.
SONET Tx Enable
Disable If SONET Tx is enabled, framing is enabled; if SONET
Tx is disabled, framing is removed (i.e., SONET Tx is all
zeroes).
Loopback Mode Normal
Terminal
Local
Remote
Normal is no loopback.
Terminal is a loopback from the ATM interface to the
user equipment.
Local is a loopback before NIM processing to the fiber
link. Remote is a loopback from the receive fiber to the
ATM before local processing.
ATM Payload
Scramble Mode Both Scrambled
Transmit Scrambled
Receive Scrambled
No Scramble A technique used to prevent a long string of zeros. Both
ends of a connection must be configured the same for
operation.
BITS Clock Alarm
Loss Enable
Disable Provides an alarm indication of loss of BITS clock at the
NIM IOM when enabled. A corresponding BITS LOS
SNMP trap is generated if SNMP is configured properly.