| Options Included / Description (Item is used, to be tested/sold in working condition unless otherwise noted). | Qty. in Stock (Please email to confirm). | Price | Our SKU# |
| SX Series DS1/T1 1.544 MBps Multi-Clock Interface Module Cosmetic Condition: OK, case may be scratched | 4 | ADT_SX12-VR9 | |
| Unknown/unchecked Options as of 12/29/2008. Please email for an update. | 1 | $670 | ADT_SX12-VR3 |
| V.35 Module Rackmount brackets Cosmetic Condition: OK, case may be scratched | 1 | ADT_SX12-VR5 | |
| SX Series G.703 [E1] [2048 KBPS] Multi-Clock Interface Module Cosmetic Condition: OK, case may be scratched | 1 | ADT_SX12-VR7 | |
| EIA-530 module Cosmetic Condition: OK, case may be scratched | 1 | ADT_SX12-VR6 | |
| V.35 Module Cosmetic Condition: Missing knobs/keycaps | 1 | ADT_SX12-VR8 |