Symmetricom SSU-2000 User Manual page 463

L
LEDs
2048 kHz Output module
Buffer module 219
CC Input module 167
CC Output module 183
Communications module
DS1 Input module 159
DS1 Output module
E1 Input module 150
E1 Output module 176
E1/2048 kHz Output module
GPS Input module 163
Line Retiming Unit 208
RS-422 Output module
Stratum 2E Clock module
Stratum 3E Clock module
testing 320
troubleshooting 119
troubleshooting with
Type 1 Clock module
line build-out
LRU, ICS 350
LRU, TL1 295
line length
DS1 outputs, ICS 357
DS1 outputs, TL1 311
Line Retiming Unit
block diagram 206
default settings 427
events 260
front panel 208
installing 209 212
–
overview 46 205
,
port circuit ID, retrieving, TL1
port circuit ID, setting, TL1
retrieving BPV data
retrieving settings, TL1
setting values, ICS 350
setting values, TL1
status, retrieving, ICS
status, retrieving, TL1
line termination, ICS 326
LNA. See GPS antenna
local oscillator connectors
lock
clock level, affecting outputs. ICS
logging in
ICS 316 349
,
TL1 314
logging off
ICS 322
TL1 314
12713020-002-2 Revision D – April 2004
197
138
179
190
203
126
130
120
134
295
309
279
295
309
350
302
71
357
logic ground, isolating
logic/frame grounds 42
logoff
forced, ICS 379
logon
ICS 316 349
,
TL1 314
long term frequency, specifications
LOS
error threshold, retrieving, TL1
error/clear count, retrieving, ICS
error/clear count, retrieving, TL1
error/clear count, setting, ICS
error/clear count, setting, TL1
Loss of Signal. See LOS
low noise amplifier
See GPS antenna
M
main shelf
comm ports 41
connection features
frame/logic grounds
fuses 41
module assignments
power distribution 40
terminator 74
major alarm
overview 140
setting, ICS 321
mask IP address
default 422
setting, ICS 347
setting, TL1 308
master controller function
materials and tools
GPS antenna installation
system installation 61
mechanical specifications
chassis 438
GPS antenna 394
GPS L1 inline amplifier
message, sending, ICS
minor alarm
overview 140
setting, ICS 321
modes
alarm 35
fail 36
report 35
module
activating, TL1 314
disabling 314
L—M
65
436
289
343
278
345
306
39
42
37
33
401
397
351
SSU-2000 User's Guide 463