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Installing and Cabling the Cabinets
114 Installation, Upgrades and Additions for Avaya CMC1 Media Gateways
● Disconnect the cords on this product and refer servicing to qualified service personnel
under the following conditions:
● When the power supply cord or plug is damaged or frayed.
● If liquid has been spilled into the product.
● If the product has been exposed to rain or water.
● If the product was dropped or the housing has been damaged.
● If the product exhibits a distinct change in performance.
● If the product does not operate normally by following the operating instructions.
Using 1151B1 and 1151B2 Power Supplies
The 1151B1 and 1151B2 Power Supplies can be used to supply local power to ISDN-T 85xx
and 84xx series and 46xx series telephones connected to a media gateway and to the 302D
Attendant Console that requires auxiliary power for its display. The unit can supply power to
adjunct equipment such as S201A and CS201A speakerphones or a 500A Headset Adapter
attached to any currently manufactured analog, DCP, or ISDN-T telephone equipped with an
adjunct jack.
!
CAUTION:
CAUTION: The power supply can be used only with telecommunications equipment, indoors,
and in a controlled environment.
The power supply has a single output of -48 volts DC, 0.4 amperes and can operate from either
a 120 volts AC 60 hertz power source (105 to 129 volts AC) or a 220/230/240 volts AC 50 hertz
power source (198 to 264 volts AC). Input voltage selection is automatic. The output capacity is
19.2 watts.
The power supply can be placed on a flat surface such as a desk. For wall-mounting, keyhole
slots are provided on the bottom of the chassis.
!
CAUTION:
CAUTION: Do not locate the unit within 6 inches (15 centimeters) of the floor.
Connect the 1151B1 or 1151B2 Power Supplies
The 1151B1 is a standard (no battery backup) power supply unit. The 1151B2 is a battery
backup version of the 1151B1. Either power supply can support one telephone with or without
an adjunct. The maximum loop range is 250 feet (76 meters). Two modular jacks are used.
Power is provided on the PHONE jack, pins 7 and 8 (- and +, respectively).
The PHONE and LINE jacks are 8-pin female nonkeyed 657-type jacks that can accept D4, D6,
and D8 modular plug cables. See an Figure 46
.