Item No.: SO3538-4R

Hand-held test unit for analog telephones

The hand-held test unit can be used for all kinds of measurements and troubleshooting on analogue phone lines. It is easy to use due to its clear menus, function keys, a voice function and multi-function display.

  • Testing of analogue trunk line interfaces
  • Testing of analogue interfaces inside PBX systems
  • Testing polarity
  • Dialling by pulse or DTMF
  • Detection of ISDN lines in telecommunications distribution systems
  • Switching with no batteries (permanent availability)
  • CLIP
  • Display of charges
  • Weight: 370 g
  • Current limitation for direct connection to feed voltage up to 80 V DC
  • Loop current: 15..60 mA