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==Rear interface== | ==Rear interface== | ||
* A21 – Output low level (connected to front panel banana jack) | |||
* A22 – Output high level (connected to front panel banana jack) | |||
* A24 (GND A23) – Pulse output (parallel to front panel output unless disconnected via internal switch) | |||
* A27 (GND A26) – Rear trigger input | |||
* A14 – Digital in bit 0 (LSB) | |||
* A15 – Digital in bit 1 | |||
* A16 – Digital in bit 2 | |||
* A17 – Digital in bit 5 | |||
* A18 – Digital in bit 4 | |||
* A19 – Digital in bit 6 | |||
* A20 – | |||
* A21 – Digital in bit 7 | |||
* A22 – Digital in bit 10 | |||
* A23 – Digital in bit 3 | |||
* A24 – Digital in bit 8 | |||
* A3, A4, B3, B4 – mainframe +11.5 V common return = signal ground | |||
==Manufacturer== | ==Manufacturer== | ||
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==Pictures== | ==Pictures== | ||
<gallery> | <gallery> | ||
Pi-451.jpg|PI-451 | Pi-451.jpg | PI-451 | ||
Pi-451 inside.jpg|PI-451 Inside | Pi-451 inside.jpg | PI-451 Inside | ||
PI451A front.jpg | PI-451A front | PI451A front.jpg | PI-451A front | ||
PI451A left.jpg | PI-451A left | PI451A left.jpg | PI-451A left |