Jensen Tools 100 Sereis - Manual (Page 46)

BudgeTone-100 User Manual
Grandstream Networks, Inc.
- 46 -
• Cross Over Cable For Plantronic Headset
Some users want to use headset products with RJ22 plug, like the Plantronic headset. In this case, a
special cable is required.
The handset twisted cable is a
roll-over cable standard for ALL handset, using RJ22 plug.
Since the default handset plug lay out is Asia standard which is just reversed to North American or
Europe standard, therefore US and Europe customer can not use popular Plantronic Handset without
tweaking the connection wiring.
The quick and easy solution will be a special cable: a
cross-over cable . Please ask for help from
electrician if user can not understand this part.
Here is the example and instruction to hand made such an adapter or cable and confirmed to work with
Plantronic M12 headset with amplifier, which is most popular headset used in call centers.
Here are the schemas of the two cables; the plug is viewed with Pin facing user, with PINs as specified
above:
d: SP + c: Mic +
a: SP - b: Mic -
Roll Over Cable: (already provided, to connect the handset to phone base)
a b c d
One End Another End
d c b a