| C823361 | UB-S01 Serial RS-232 Interface Card (1K Buffer) Popularity: 1/5 | $33.87 |  | | 210466400 | Serial Interface Card (with Annunciator, RS232 and 9-Pin) | $38.87 |  | | C12C824431 | Serial Interface Board (Type B) | $68.87 |  | | 010493C | Serial Interface Card (24K Buffer, ROHS) | $77.47 |  | | 010493D | Serial Interface Card (24K Buffer) | $77.47 |  |
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