76000450

Modtap - RJ-45f (Etherlite) to DB-25m DTE The wiring diagram for an RJ-45 8-pin to DB-25 DTE modtap is shown in Table 1. This adapter is used to connect a modem to an Etherlite port, and is available from Digi by ordering part number 76000450. Table 1: EIA-232 RJ-45 8-pin to DB-25 DTE modtap From To RJ- Signal Direction Signal DB45 25 1 RTS RTS 4 2 nc 3 X DSR 6 DCD DCD 8 4 5 RxD TxD RxD TxD 3 2 6 SG SG 7 7 DTR DTR 20 8 CTS CTS 5 * Arrows indicate which direction the signal is flowing NOTES: • • • This cable utilizes the RTS/CTS signals of the modem for hardware flow control. A straight-through RJ45 cable is used between Etherlite and modtap adapter. EIA-232 cables cannot exceed 2500pF.