Specifications chart – Verilink FrameStart FSD (34-00291.F) Product Manual User Manual
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F r a m e S t a r t D D S C S U / D S U a n d T 1 C S U / D S U a n d F r a m e S t a r t F S E
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 75
Ω
±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