Model ES1 has an interface adaptor installed as a standard feature that may be used for either a preprocessing or a postprocessing device (Pre/Post). One or two additional optional Pre/Post device interface adaptors may be installed in Ports 2 and 3, or an optional Advanced Function Postprocessing device interface (hereafter called Pre/Post) may be installed in either Port 2 or Port 3 of each model. Allowable combinations are shown in Table 24.
| Port | Configuration Options | |||||||
|---|---|---|---|---|---|---|---|---|
| 1 | Pre/Post | Pre/Post | Pre/Post | AF Post | AF Post | AF Post | Pre/Post | Pre/Post |
| 2 | -- | Pre/Post | Pre/Post | -- | Pre/Post | Pre/Post | Pre/Post | AF Post |
| 3 | -- | -- | Pre/Post | -- | -- | Pre/Post | AF Post | Pre/Post |