• Made in the U.S.A. 2.2 DESCRIPTION The Patton Model IM 1/F Interface Module converts data from a 64K G.703 network into a Transistor-Transistor Logic (TTL) compatible signal that is transported by the PE 1090 or 1092 Modem or a similar 2 or 4 wire short haul modem that has identical pin outs and edge con- nector style (see note, below).
The first G.703 interface is in Network Timed mode. The second is in Modem Timed mode. See Figure 1 above. Timing of Application 2: Network Replacement The first modem uses an internal timing source and supplies the timing for the entire system. The first G.703 recovers the timing and clocks the data into the FIFO.
Not Used Octet Mode Reserved for Factory Once the Model IM 1/F is properly configured, it is ready to install into a PE 1090 or 1092. This section tells you how to properly connect the Model IM 1/F. 4.1 CONNECTION TO THE MODEM’S SERIAL PORT...
The RJ-45 connector on the Model IM 1/F twisted pair interface is pre-wired according to the signal/pin relationships shown in Figure 5 below. 1 (RX Tip) 2 (RX Ring) 3 (N/C) 4 (TX Ring) 5 (TX Tip) 6 (N/C) 7 (N/C)
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