| Line Switching System | CT-Changer K-A216D (For Analog 16-Lines) | |
|---|---|---|
| CT-Changer K-D82M (For Digital 2-lines) | ||
| BB-Line Changer (4-line Switching Unit for INS-1500) |
| Terminal Box for Telephone | TEL TAP series Four-core For Terminal/Branch | |
|---|---|---|
| TEL TAP series Dual-core For Terminal/Branch | ||
| Dual-core/Four-core For Relay |
| Telephone Selector | KG4-B2 Telephone Selector (Modular/Jack Telephone Selector) | |
|---|---|---|
| 5L/10L Plural Telephone Selector |
| Quick Socket | 232D-02S1A-DE5-FA | |
|---|---|---|
| 232D-02S1B-DA5-FA | ||
| 232D-04S1B-DA5D1(02)-FA | ||
| 232D-04P1A-DA5N-FA | ||
| 232D-04S1A-DE5-FA | ||
| 232D-04S1A-DA5-FA | ||
| 232D-02S1A2-DA5-FA |