Product Overview

The Berry Model 314A Trunk Test Set is a portable Multifrequency (ME), TOUCH-TONE (DTMF) and Dial Pulse (DP) sender combined with an autoranging digital level meter.  The Model 314A Trunk Test Set may be used in all local and toll switching offices for testing trunks, trunk equipment, incoming registers and special service circuits.  It may also be used at customer premise locations, e.g. PBX locations.. The Model 314A Trunk Test Set applications include: Circuit order testing of new trunks  Routine maintenance testing of existing trunks Trouble testing of existing trunks  Detection of defective trunk equipment, incoming registers and signaling equipment.  Transmission level measurements The Model 314A Trunk Test Set features include: Sends Multifrequency (MF), TOUCHTONE (DTMF) and Dial Pulse (DP) address signaling Sends and displays LOOP, E&M and SF supervision (ON-HOOK/ OFF-HOOK) High accuracy level meter Automatic "routining" (in REPEAT SEND mode) of Trunks for transmission levels            using a dial-up                                      "milliwatt" tone in the called office Automatic "routining" (in REPEAT SEND mode) of Trunks for noise or cross talk using a dial-up quiet line in the called office  Ability to operate as an EQUAL ACCESS sender.   Loop and Ground Start operation  Stores and automatically sends two stage pulsing for ANI, TSPS, and IDD  Provides all 16 TOUCH-TONE (DTMF) codes for use with AUTOVON  Provides all 15 Multifrequency (MF) codes including KP, ST, STP, ST2P and ST3P  Portable-battery powered The Model 314A Trunk Test Set provides for monitoring of the supervision signaling (ON-HOOK/OFF-HOOK) for both the Originating (calling) and Terminating (called) offices.  In addition, means are provided for audio monitoring and talking over the trunk being tested.