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Short Haul
Modem
-------------
NTU E1

Specifications


Network Interface

Line Rate

E1 HDSL per TS 101-135

Line Interface

HDSL

RJ-45

Framing

G.703, CAS, CCS

CRC 4 enable / disable

Line Code

2 B 1 Q

DSO Assignment

Contiguous

Alternating

HDSL Timing

Network

Internal

D T E

DTE Interface

Bit Rate: 56 kbps to 1.984 Mbps, Nx56 or Nx64 kbps (N=1 to 31)

CCITT V.35 (M34F Connector)

CCITT V.11 (DB15F Connector)

DTE transmit clock

A u t o m a t i c

I n t e r n a l

E x t e r n a l

Performance Monitor Performance Data

BPVs/CRCs, ES, SES, UAS, Alarms, Errors

Tests

Local Loopback

Remote Loopback

V.54 Loopback

Built in 511 bit error rate testor

Agency Approvals

K.20, K.21

CISPER 22

IEC 950

CE Mark

Environment

O p e r a t i n g

0 to 50°C (32 to 122°F)

S t o r a g e

–20 to 70°C (–4 to 158°F)

Relative Humidity

Up to 95%, non-condensing

Physical

D i m e n s i o n s

1.5" H, 9.0" W, 6.25" D

We i g h t

2 lbs

P o w e r

90-240 V, 50-60 Hz, 5 W

P r o t e c t i o n

Front-panel password protection

 

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