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Chapter 2. Installation
30 T1 CSU ACE User Manual 61203022L1-1B
POWERING THE UNIT
The unit may be powered by using the supplied NEC Class 2, 12V
wall mount power supply. It may also be locally powered by own 12
to 48 V power supply. Once power has been applied to the unit, the
POWER LED will be illuminated.
The unit can be powered by either of the following methods:
CONNECTING TO THE NETWORK AND CPE
Two 8-pin modular connectors are located on the back of the T1 CSU
ACE (see Figure 8 on page 32).
NET connects the unit to the network
via the network cable. The connector marked
CPE connects the cable
from the customer equipment to the T1 CSU ACE.
Method 1
• Use the included NEC Class 2, 12V at 800 mA wall mount power
supply.
Note: The wall outlet shall be near the equipment and readily accessible.
OR
Method 2
• Connect to a reliably-grounded 12-48 Vdc source which is elec-
trically isolated from the AC source.
Note: The branch circuit overcurrent protection shall be a fuse or circuit
breaker rated 48 V, minimum to 10A, maximum.
A readily accessible disconnect device that is suitably approved and rated,
shall be incorporated in the field wiring.
The unit shall be installed in accordance with the requirements of NEC
NFPA 70, where applicable.