Agilent HP Cerjac 156MTS Sonet Maintenance Test Set. Optioned for testing DS3, STS1, DS1, FT1, DS0, and includes Dual DS3, DS3 pulse mask, and jitter options.
Comm Serv Solutions RAM-16 RS-232 Remote Alarm Monitor. Monitors up to 16 alarm inputs in a telecom environment and reports them over RS-232 interface.
Harris 107A/F - Remote test head designed for testing copper lines served by remote switches, Digital Loop Carrier (DLC) systems and Digital Subscriber Line Access Multiplexers (DSLAMs).