Verilink FrameStart FSD (34-00291.F) Product Manual Instrukcja Użytkownika Pobierz pdf (Strona 16)

10 FrameStart DDS CSU/DSU and T1 CSU/DSU and FrameStart FSE

Specifications Chart

Specification DDS CSU/DSU T1 CSU/DSU FrameStart FSE

Network Interface

Line Rate 56 and 72 kbps 1.544 Mbps (±50 ppm) 2.048 Mbps (±50 ppm)

Line Framing DDS I and DDS II CC64K D4 or ESF Unframed, FAS, CAS,

CCS, CRC4

Line Code Bipolar AMI AMI or B8ZS HDB3

Input Signal 0 to −43 dB 0 to −36 dB ALBO 0 to −43 dB

Connection RJ-48S, 135 Ω (±5%) RJ-48C, 100 Ω (±5%) RJ-48C, 120 Ω (±5%)

Dual BNC 75Ω ±5%

Timing Source Network Internal, network Internal, network

Output Signal not applicable 3.0 V (±10%) base–peak

into 100 Ω with protection

3.0 V (±10%) base-peak

into 120 Ω or 75 Ω with

protection

Line Build Out not applicable 0, −7.5, −15, −22.5 dB

attenuation

not applicable

Jitter Control not applicable per TR 62411 and T1.403 per TBR12

Ones Density not applicable B8ZS, Ν×56 bit stuffing,

alternate fill; complies with

TR 62411

not applicable

Equipment Interface

Line Rate 56 kbps or 64 kbps

synchronous

56 kbps to 1.536 Mbps

(±50 ppm)

64 kbps to 2.048 Mbps

(±50 ppm)

Connection -------------> female, 34-pin Winchester-type connector (all units) <-----------

Diagnostics

Performance LOSS, OOSS, and BPVS

monitoring

Monitoring per TR 54016

and T1.403

LOSS, OOFS, ES, AISS,

RAS, SES, DS, UAS,

BPVS, CSS, and CRCES

monitoring

Network Loops Line loop, data loop, and

V.54 loop

Line loopback or payload

loopback

Line loopback or payload

loopback

Fractional Loop not applicable Responds to in-band V.54

loop code

Responds to in-band V.54

loop code

DTE Port Loops local loop local loop local loop

BERT -----------> 511, spaces, marks, and 2047 patterns (all units) <-----------

Standards Compatibility

TR 62310, August 1993 TR 54016, September 1989

TR 62411, December 1990

T1.403, 1995

1 2 ... 11 12 13 14 15 16 17 18 19 20 21 ... 48 49

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