808A Emergency Transfer Panel and telephone installation examples
Should power be restored to the relays while a call connected through the 808A is in progress, the 808A maintains the connection until the user goes
808A Emergency Transfer Panel and telephone installation examples
Figure 47: 808A Emergency Transfer Panel on page 98 shows a typical 808A Emergency Transfer Panel. The 808A connects to the MDF with B25A or A25B cable.
The panel can be installed on any mounting frame in either a vertical or horizontal position. The housing has ears for screw-mounting and cutouts for snap-mounting the unit in an 89-type mounting bracket. See Figure 48: 808A Emergency Transfer Panel mounting on page 99.
Task List: Typical Emergency Transfer Panel and Telephone Installation:
●Installing the 808A Emergency Transfer Panel on page 99
●Installing telephones used only for emergency transfer (trunk/auxiliary field) on page 104
●Installing telephones used for emergency transfer and as normal extension (trunk/auxiliary field) on page 105