FAQ SBI-145 Butt Set
SBI-145 Telephone Butt SetTable of Contents
Does the SBI-145 Telephone Test Set work on both analog and digital lines?
No. The SBI-145 works on analog and DMS-100® (Meridian Digital Centrex) central office switches. It will not test any other types of digital lines.
How is the SBI-145 powered?
The SBI-145 is line powered. It does not require batteries unlike some of the other telephone test sets that are currently on the market.
Will the SBI-145 work on an Option 81 Nortel PBX?
No. This switch, now called the CS1000, uses proprietary signaling which is fully digital and its not supported by the SBI-145. The SBI-145 supports POTS (Touch tone and Pulse Dial) and Meridian Digital Centrex (EBS / P-Phone) which is used with the Nortel M5xxx series phones.