Specifications

Chapter 3 - Operation FLM-1 Installation & Operation Manual
3-2 Operating Instructions 09/01/01 4:29 PM
Table 3-1 lists the functions of the FLM-1 indicators and switches.
Table 3-1 FLM-1 Indicators and Switches
Identification
No
Name Type Function
1 POWER LED Indicator
(green)
Lights up when the unit is powered.
2 TEST LED Indicator
(yellow)
Lights up when either local or remote unit is
performing a loopback test.
3 SYNC LOSS -
LOCAL
LED Indicator
(red)
Lights up when synchronization is lost at the local
unit.
4 SYNC LOSS -
REMOTE
LED Indicator
(red)
Lights up when synchronization is lost at the
remote unit.
5 LLB Push button When pressed (pushed in), the unit performs a
local loopback.
6 RLB Push button When pressed (pushed in), the unit performs a
remote loopback.
Note
Pressing LLB and RLB simultaneously has no effect; the unit just continues to
operate normally.
3.3 Operating Instructions
Power Turn-On
To apply AC power to FLM-1, connect its power cord to an acceptable AC
source. The POWER LED should light up. If the local and remote FLM-1
units are in operation and properly connected via the main channel, no
other indicator should be ON. If it is not so, refer to Chapter 4 for
troubleshooting information.
Operation
FLM-1 operates entirely unattended except when performing system tests.
Power Turn-Off
To turn off FLM-1, simply remove the AC power cord from the AC source.
Operational Field
Strapping
Changes
If it becomes necessary to reconfigure FLM-1 for twelve-channel mode or
six-channel mode operation, follow the appropriate setup procedure
described in Section 2.4.
Warning
Access to the inside of the equipment is permitted only to authorized
and qualified service personnel.