Greenlee Textron Inc. DS10-HW-T-EM TIMS SIGNALING TEST OPTION WITH E&M TYPE I-V SIGNALING, TRUNK, PBX TIE LINE TESTING. SUPPORTS 2/4-WIRE 600/900/1200O TERMINATION, LISTEN/TALK, PLACE/RECEIVE CALLS, GENERATE DIAL TONE AND RINGING SIGNALS, GENERATE/DETECT DTMF/DP, PERFORM FREQUENCY & LEV