CHAPTER 4 : GENERAL INFORMATION AND FEATURES
•
Line Impedance
: Balanced 135
Ω
•
Line Interface
: RJ11 Connector
•
Equalization
:
Adaptive
Equalizer
•
Diagnostic
Capability
(1) Analog
Loopback
(2) Digital Loopback (Local or Remote)
(3) Remote
Configuration
(4) BERT - Bit Error Rate Test with Test Pattern and Error Count
•
Timing
LT
: Internal or External clock
NT
:
Loopback
clock
•
Power Requirement : 90 ~ 265 VAC auto range, 47 ~ 63 Hz
DC Source
: -36 ~ -72 VDC option (for Rack)
Dual Redundant AC or DC Power Supply option (for
Rack)
Consumption
: Less than 7 Watts (Stand Alone Type)
Less than 6.5 Watts (Rack Mount Type)
Less than 110 Watts (Full Shelf Equipped)
•
Operating
Temperature:
0
°
C ~ 50
°
C
Storage
Temperature:
-25
°
C ~ 70
°
C
Relative Humidity: up to 95 % (non-condensing)
•
Physical
Size
(1) Stand-alone Type (DT-128) - 194 W x 60 H x 316 D mm, Weight 1.5kg
(2) Rack-mounted Type (DT-128N) - 220 W x 26 H x 328 D mm, Weight 0.6kg
(3) Shelf (TRS32 RACK) - W - 19", H - 5RU, D - 380 mm, Weight 8 kg
•
DTE
Interface
(1) EIA RS-232D, ITU-T V.28, 25pin D type, female
(2) EIA RS-530 25pin D type, female
(3) V.35 - 34 pin, female
(4) X.21/V.11 - 15pin, female
(5) G.703 64Kbps co-directional
1.3 Ordering
Information
•
DT-128
High speed 128Kbps NTU (stand alone type)
•
DT-128N
Rack mount type DT-128
•
NMC32
NMS Control unit
•
TRS32
19" width rack for up to 16 DT-128N cards
-3-
Summary of Contents for DT-128 Series
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