For example: Agilent E4440A or Anritsu 68369
Plug In / Part / Component / Module
Digital Lightwave ASA 312-01PKG
SONET TESTER WITH DS1/DS3 SONET/ATM/
Manufacturer: Digital Lightwave
Digital Lightwave ASA-PKG-OC48SA
OC48 - FRACTIONAL T1 WITH ATM FOR STS-12
Manufacturer: Digital Lightwave
Rohde and Schwarz BBA100
Multi-Band Power Amplifier 9kHz-250MHz, 125 w; 250 MHz to 1GHz, 125 W (5 HU Base unit)
Manufacturer: Rohde and Schwarz