Table D-13 Required Amps - Inter-Tel AXXESS Manual

Appendix D — CPC64/CPU64 Configuration
® ®
INTER-TEL AXXESS
5. 4-AMP POWER SUPPLY
5.1
A. SPECIFICATIONS
5.2
installed in the far left slot of the equipment chassis.
5.3
the ON/OFF power switch, three LED voltage indicators, and four voltage test points. During
normal system operation, all three LEDs (+5V, -5V, and +24V) should be lit. If any of the
LEDs are blinking or are unlit, the power supply is defective and the entire unit must be
replaced.
5.4
field. If the fuse is blown, return the entire power supply unit for repair.) Each unit's maximum
power outputs are +24VDC, 4A; +5VDC, 6A; and -5VDC, 0.5A.
5.5
sis) equipped with this 4-amp power supply, depending on the number and variety of other cir-
cuit cards to be installed. If necessary, use the following chart to determine how many cards
can be installed, while staying within the 4-amp limit.
5.6
Voltage Surge and Spike Protection
5.7
tions, false logic, and/or damage to the electronic components, a surge/spike protector with the
following specifications is recommended:
•
•
•
5.8
tions.
Page D-28
MANUAL VERSION 11.0 – May 2008
This section describes the 4-AMP Power Supply.
The 4-amp system power supply unit, part no. 550.0121 [PS2TH7 for Europe] is
Located on the front side of the power supply unit are the AC power cable connector,
Each power supply unit has one, 250V, 5A fuse. (This fuse may not be replaced in the
Up to two 16-Port Digital Keyset Cards (DKSC-16s) can be installed in cabinets (chas-
Table D-13. Required AMPs
Card Type AMPS Required
DKSC-16/16+
AKSC
EKSC
SLC
SLC-16
DKSC
T1C or E1C
T1/PRI or E1/PRI
The 4-amp power supply can support one EVMC.
To reduce the effects of AC voltage surges and spikes that may cause system malfunc-
Clamp voltage transients at 300VDC within 5 nanoseconds when exposed to wave-
forms as described in the ANSI/IEEE Standard C62.41-1980 (IEEE 587).
Reduce RFI/EMI noise by at least 20dB at frequencies between 5 kHz and 30 MHz.
Ground lug for grounding Single-Line Adapters, trunk gas discharge tubes, etc. to the
chassis's AC outlet.
Contact Inter-Tel CommSource™ for surge/spike protectors that have these specifica-
Card Type
1.28 T1/E1/PRI
1.28 LGC-D
1.28 LSC-D
0.75 OPC
0.40 LGC
0.64 LSC
0.40 IPC or IPRC
0.45 IPRC-D
AMPS Required
0.45
0.30
0.30
0.30
0.15
0.15
0.34
0.48
4-Amp Power Supply