Grandstream Networks, Inc. |
•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
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
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 |
| d c b a | ||||
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One End
Another End
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