ADTRAN NT1 ACE4 User Manual download pdf (Page 18)

NT1 ACE

User Manual

2NT1ACE

User Manual 61200242L1-1

The U interface complies with ANSI T1.601 and ITU-

T1.430 Recommendation Standard. The S/T interface com-

plies with ANSI T1.605 and ETSIETS 300012 Standard.

The ADTRAN NT1 ACE

is a stand-alone unit and is pow-

ered by an external power supply (the ADTRAN power

supply, part number 336012VUR01).

LED Indicators

Table 1-1 describes the status of the LEDs located on the

front panel of the NT1ACE

.ThereisaREADYand

ERROR indicator for each port of the NT1 ACE

Table 1-1. Status Indicators

If an ERROR indicator is illuminated, check the flash rate of

the READY indicator to determine the source ofthe error. A

faster 8 Hz flash rate (8 flashes per second) indicates a net-

work problem. A slower 1 Hz flash rate (1 flash per second)

indicates an S/T interface problem.

LED Color Description

READY Green S/T and U interfaces are

ready to place call.

ERROR Red S/T or U interface not

ready.

1 2 ... 13 14 15 16 17 18 19 20 21 22 23 ... 29 30

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ADTRAN NT1 ACE4 User Manual Page 18