Symmetricom SSU-2000e User Manual

12713140-002-2 Revision E – October 2006 SSU-2000e User’s Guide 237
Index
D—F
clock input 68
clock output 70
connectors
clock input 34
expansion 55
output clock 35
Control
overview 48
Cyclical Redundancy Check. See CRC
D
damage
shipping 58
DCE/DTE
connections
33
signal requirements 65
DDS see direct digital synthesis
default configuration
restoring
114
Default settings
EIA-232
64
default settings
2048kHz Output module 221
RS-422 Output module 221
Digital voltmeter 59
direct digital synthesis (DDS) 28
disabling a module, procedure 76
documentation, related 17
DS1
phase measurement averages 174
DS1 Input module 173, 179, 180
alarm modes 176
Cesium fault 178
front panel 179
DS1 Output module 43, 194, 196
DS1/E1 Input modules 42
DTE/DCE
connections
33
signal requirements 65
switch settings 65
DTE/DCE switch, serial port 65
DVM see digital volt meter
E
E1 Input module 164–171
E1 Input module Alarm Modes 167
E1 Input module Hardware Alarms 168
E1 Output module 43, 190, 193
front panel 192
E1/2048 kHz Output module 43, 201
block diagram 206
front panel 207
specifications 208
E1/DS1 Input modules 42
East
connections 35
EIA-232 48
changes procedure, communication 65
connections, functional description 64
connections, pin assignments 39
connections, procedure 64
connector pin assignments 39
default settings 64
electromagnetic interference considerations 59
electrostatic discharge 74
EMI considerations 59
EMI precautions, considerations 59
equipment, returning 140
error counts, inputs 168
ESD see electrostatic discharge
Ethernet
connections procedure
65
connections, pin assignments 40, 66
Ethernet port 64
assignment 90
configuring 92
connector 65
protocol 90
event detection, modes 21
Events 179
E1 Input module 170
events and alarms 29
exchanging a module, procedure 75
expansion connectors 55
expansion shelf
communication interface, procedure 70
expansion shelf addressing 53
F
fail mode 31
filler (blank) panel
clock
231
standard 231
fire protection
fusing
60, 131
frequency
output, setting, RS-422 Output module 216
front panel
CC Input module
187
CC Output module 199
DS1 Input module 179
E1 Output module 192
E1/2048 kHz Output module 207
RS-422 Output module 220
front view, SSU-2000e 20
functional description
connections 35
EIA-232 connections 64

Symmetricom SSU-2000e Specifications

General

Brand	Symmetricom
Model	SSU-2000e
Category	Power Supply
Language	English