
3M Library Security System | System Configuration |
|
|
Key switch |
| Fuse & voltage |
|
| |
Electronic |
| selector |
|
| |
enclosure |
| Alarm light |
Power receptacle |
|
|
Power |
|
|
cord |
| Panel A |
Photocell/reflector |
|
|
|
| Panel B |
|
| Panel C |
| Counter | Alarm |
|
| |
|
| Model 3502 |
E 3M 1999 September |