特征：
1.8Pin插头，带 DTMF 布局 16 键盘。
2.适用于TM-281A TM-281E
TM-271A TM471A TM-455A
TM-251A TM255A TM-451A
TM-D710A M-V71A
TK-980 TK-868G TK-880 TK-850 TK-860
TK-808 TK-780 TK-768 TK-768G
TK-760 TK-730 TK-630 TK-750 TK-7108HM
TK-7108M TK-7160E TK-7160HM TK-7160M
TK-7162E TK-7180E
TK-7189E TK-8108HM TK-8108M TK-8160E
TK-8160E3 TK-8160HM TK-8160M TK-8162E
TK-8162E3 TK-8180E TK-8189E TK-90
TKR-750E (Version 2) TKR-751E
TKR-850E (Version 2) TKR-851E TKR-851E3
TM-27