Manuals
/
Brands
/
Computer Equipment
/
Network Router
/
Symmetricom
/
Computer Equipment
/
Network Router
Symmetricom
58502A
Command Reference
1
59
88
88
Download
88 pages, 1.33 Mb
4
Command Reference
Contents
Page
Page
In This Guide
1 Getting Started
Performance Tests
Features and Functions
Command Reference
Functional Description
6 Service
7 Specifications
Index
Guide Organization
Table of Contents
Getting Started
Performance Tests
Guide Organization
Description of the 58502A Broadband Distribution Amplifier
OUTPUTS
1-12)
INPUTS A
Auto-Switchingand Alarm-InputsFeatures
Accessories Supplied and Available
Supplied
Manuals
Page
Getting Started
58502A Broadband Distribution Amplifier at a Glance
58502A Broadband Distribution Amplifier at a Glance
NOTE
Power
Alarm
Input A
OUTPUT STATUS
Preparing the Distribution Amplifier for Use
To Mount the 58502A Into an Equipment Rack (Using Option AX4)
Figure 1-1.Attaching Mounting Brackets for Equipment Rack
Connecting a Terminal or Computer to the 58502A
To Connect AC Power
Connecting a Terminal or Computer to the
58502A
Figure 1-2.Connecting a PC or Terminal to the 58502A
Page
To Configure Terminal Communications for
NT 4.0®/Windows® 95-BasedPC
Start
Programs
Accessories
Windows®-BasedPC
2Select Settings, then choose Communications
Communications
Powering Up the Distribution Amplifier
Powering Up the Distribution Amplifier
Overview of the Power-UpProcedure (What to
Expect)
Alarm
To Power Up the Distribution Amplifier
Page
Using Commands to Control Key Functions (Examples)
Using Commands to Control Key Functions (Examples)
Distributing One Input Signal (A or B)
Distributing Two Input Signals (A and B)
Distributing Input A and Backup Oscillator (Option 010) Signals
Distributing of the Backup Oscillator (Option 010) Signal Only
Checking the Output Channels Status
Changing the RS-232Serial Port Characteristics
To Set Baud Rate, Pacing, Parity, and Data Bits
Performance Tests
Operational Verification
Performance Tests
Calibration (Option 010 Only)
Test Record
Page
Test Equipment Required
Test Equipment Required
Table 2-1.Recommended Test Equipment
CAUTION
58502A Operational Verification
58502A Operational Verification
Outputs (1-12)Verification
Figure 2-1.Operational Verification Setup
Input A
OUTPUT STATUS
(1-12)
Alarm and Status Output Verification
Figure 2-2.Alarm/Status Output Verification Setup
Figure 2-3.Output 12 Grounded
Figure 2-4.ALARM/STATUS Port
RS-232Verification (Optional)
RS232
Figure 2-5. RS-232Verification Setup
Page
58502A Performance Tests
58502A Performance Tests
Input Level Response Tests
Test 1: +7 dBm Input Level
Test 2: +15 dBm Input Level
58502A Performance Test Record (Page 1 of 2)
58502A Performance Test Record (Page 1 of 2)
Model 58502A
Broadband Distribution Amplifier
Line Number
Operational Verification
58502A Performance Test Record (Page 2 of 2)
58502A Performance Tests (Continued)
Input Level Response Tests (Continued)
Test 2: +15 dBm Input Level
58502A Calibration (Option 010 Only)
58502A Calibration (Option 010 Only)
Determining Frequency Difference
Software Oscillator Adjustment
Page
Calibration Record (Page 1 of 1)
Calibration Record (Page 1 of 1)
Option 010 Broadband Distribution Amplifier
Calibration Dates and Values
Date
EFC Value Frequency or Frequency Difference
Features and Functions
Page
Inputs
Inputs
AC Input
INPUTS A and B Ports
Outputs
11 12 OUTPUTS (1-12)Ports
ALARM/STATUS Port Outputs
ALARM/STATUS Port Inputs
Indicators
Indicators
Power Indicator
Alarm Indicator
Input A and B Indicators
OUTPUT STATUS 1-12Indicators
Serial Interface Ports
RS-232Port
RS-232Port Configuration
Table 3-2. RS-232Port Interface Factory Default Values and Commands
Making Changes to the Serial Port Settings (If Needed)
Determining the Serial Port Settings
Connecting a Terminal or Computer
Connecting a Terminal or Computer
To Connect a Terminal or Computer to the 58502A
Figure 3-3.Connecting a PC or Terminal to the 58502A
Different Ways to Check Alarm Status
Different Ways to Check Alarm Status
Configuring the Inputs
To Configure One Input Operation
To Configure Two-InputOperation
Configuring the Inputs
To Configure the Internal Oscillator as a Backup (Option 010)
To Configure the Internal Oscillator as the Only Source Input (Option 010)
Command Reference
Page
SCPI Conformance Information
SCPI Conformance Information
Command Syntax Conventions
IEEE 488.2 Common Commands
58502A Command Summary
Table 4-1.58502A Command Summary
Summary
Keyword/Syntax
Parameters
Table 4-1.58502A Command Summary (Continued)
INPut (Continued)
OUTPut:QUEStionable
[SOURce]:ROSCillator
ROSCillator Subsystem (USED WITH OPTION 010 ONLY)
System Status Reporting Commands
*CLS
ALARm
OUTPut:QUEStionable:PACKed
OUTPut:QUEStionable[:UNPacked]
SYSTem:ERRor
Identification Command
Identification Command
*IDN
Internal Oscillator Calibrating and Status Commands (Option
Only)
Internal Oscillator Calibrating and Status Commands (Option 010 Only)
DIAGnostic:CALibration:ROSCillator:EFC:ABSolute UP | DOWN
DIAGnostic:CALibration:ROSCillator:EFC:ABSolute
DIAGnostic:CALibration:ROSCillator:EFC:ABSolute:STEP <numeric_value
DIAGnostic:CALibration:ROSCillator:EFC:ABSolute:STEP
[SOURce]:ROSCillator:WARM
Input Port Status and Setup Commands
Input Port Status and Setup Commands
INPut:A:QUEStionable
INPut:B:QUEStionable
INPut:ALARM
INPut:SELect A | B
INPut:SELect
INPut:SELect:AUTO 0 |
INPut:SELect:AUTO
INPut:SELect:DEFault A | B
INPut:SELect:DEFault
Serial Interface Communication
Commands
SYSTem:COMMunicate:SERial:BAUD <numeric_value
SYSTem:COMMunicate:SERial:BAUD
SYSTem:COMMunicate:SERial:BITS
SYSTem:COMMunicate:SERial:FDUPlex
SYSTem:COMMunicate:SERial:PACE XON | NONE
SYSTem:COMMunicate:SERial:PACE
SYSTem:COMMunicate:SERial:PARity EVEN | ODD | NONE
SYSTem:COMMunicate:SERial:PARity
Functional Description
Page
Functional Block Description of the 58502A
Functional Block Description of the 58502A
Figure 5-1.Simplified Block Diagram
Controller Block
Panel LEDs Block
2-to-1Switch Block
1-to-12Amplifiers and Isolators Block
Power Supply Module Block
Page
Service
Determining 58502A Fault Status
Specifications
Page
Electrical Specifications
Supplemental Characteristics
Environmental Specifications
Available Options
Page
SYMBOLS
NUMERICS