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E1 Interface
(Main Link)
| Number
of Interfaces |
2 |
| Conformity
(Electrical) |
G.703 |
| Frame
Structure |
As
per ITU (CCITT) G.704 |
| Signaling |
Channel
Associated Signaling |
| PCM
Sampling Rate |
8000
Samples / sec |
| Encoding
Law |
A
Law as per ITU (CCITT) |
| Bit
Rate |
2048
Kbps ± 50 ppm |
| Code |
HDB3 |
| Nominal
Impedance |
120
W balanced / 75 W unbalanced (75 W
option) |
Peak
Voltage of a mark
For 120 W
Balanced interface
75 W Unbalanced
interface |
3.0 V ± 0.3 V
2.37 V ± 0.237 V |
Peak
Voltage of a space
for 120 W
Balanced interface
75 W Unbalanced
interface |
0V ± 0.237 V
0 V ± 0.3 V |
| Nominal
Pulse Width |
244
ns |
| Pulse
Mask |
as
per ITU (CCITT) Rec. G.703 |
| Output
Jitter |
<
0.05 UI (in the frequency range of 20Hz to 100 KHz) |
| Permissible
Attenuation |
6
dB at 1 MHz |
Return
Loss at:
51.2 KHz to 102.4 Khz
102.4 KHz to 2048KHz
2048KHz to 3072 Khz |
> 12dB
> 18dB
> 14dB |
| Jitter
Tolerance |
As
per ITU (CCITT) G.823 |
| Loss
and recovery of frame alignment : |
As
per clause 3 of ITU (CCITT) G.732 |
| Loss
and recovery of multiframe alignment : |
As
per clause 5.2 of ITU (CCITT) G.732 |
2
Wire / 4 Wire - Voice Frequency Interface(s)
| Number
of Channels per Card |
2 |
| Interface
Type |
FXO,
FXS, 2W / 4W E&M |
| Maximum
Number of Channels |
30 |
| Transmission
performance |
Fully
Compliant to ITU (CCITT) G.712 specification |
| Line
Impedance
|
600
W (900 W optional) |
| Voice
Channel Frequency |
300Hz-3400Hz |
| Insertion
Loss |
-2.0dB
Nominal (User adjustable) |
| Idle
Channel Noise |
£-65dB |
| Return
Loss |
300Hz
- 600Hz - ³12dB
600Hz - 3400Hz - ³15dB |
| Longitudinal
Balance |
³ 46dB between 300Hz to 3400Hz |
| Ring
Frequency |
25
Hz (20Hz, Optional) |
| Ring
Voltage |
³ 75 volts RMS into a load of 5 R.E.N. with a 0.30 Erlang
traffic pattern |
| Subscriber
Loop Current |
³ 23mA into a subscriber loop of 1000 ohms |
| Overload
Level |
+3.14dBm
± 0.5dBm |
| Battery
Reversal |
All
channels |
| Dial
Pulse Speed |
8
-12 pps - Pulse Dialing / DTMF Dialing |
Low Speed
Data Interface RS232
| Interface |
RS232 |
| Number
of Interfaces per Card |
2 |
| Maximum
Number |
30 |
| Conformity |
RS232 |
| Mode |
Asynchronous |
| Bit
Rate |
50
bps to 19.2 Kbps |
| User
Interface |
DCE
|
| Character
Length |
5
/ 6 / 7 / 8 (Auto-Select) |
| Stop
Bits |
1
/ 1.5 / 2 (Auto-Select) |
| Parity |
Even
/ Odd / 0’s / 1’s / none (Auto-Select) |
G.703
@ 64kbps, Synchronous Data Interface
| Interface |
G.703@
64 Kbps |
| Number
of Interfaces per Card |
2 |
| Maximum
Number |
30, V.35,
64Kbits / sec. Interface |
| Conformity |
To (CCITT)
Rec. G.703 |
| Mode |
Synchronous,
Co-directional |
| Bit
Rate |
64Kbps |
Sub-Rate
Multiplexer:- Optional Extra
| Number
of Interfaces per 64 Kbps channel |
6 |
| Interface |
RS232 |
| Mode |
Asynchronous |
| Bit
Rate |
9.6Kbps,
8 bits 1 stop bit |
| Parity |
None |
BRI
ISDN 2B+D
| "U"
Interface |
Meets ANSI T1.601-1992
requirements |
| Line Rate |
160 Kbits/s |
| Frame Format |
2B+D as per
CCITT Rec. 1.430 |
| Line Code |
2B1Q as per
CCITT Rec.G.961 |
| Accepted Line
Attenuation |
42dB at 40 Khz |
| Pulse Shape |
As per CCITT
Rec.G.961 |
| Multiplexer
Emulation |
LT Emulation
/ NT Emulation (User Selectable) |
| Impedance |
135 Ohms at
40KHz |
iDSL
- ISDN DSL Specifications
| "U"
Interface
|
Meets
ANSI T1.601-1992 requirements |
| Line
Rate
|
160
Kbits/s |
| Frame
Format |
2B
as per CCITT Rec.1.430 |
| Line
Code |
2B1Q
as per CCITT Rec.G.961 |
| Accepted
Line Attenuation |
42dB
at 40 Khz |
| Pulse
Shape |
As
per CCITT Rec.G.961 |
| Multiplexer
Emulation |
LT
Emulation |
| Customer
Premises Equipment |
NT
Emulation |
| Impedance
|
135
Ohms at 40KHz |
Maximum Distance : 5KM (4 miles) on
0.5 mm twisted Pan. Distance may vary with cable gauge
For distance using various cable guages please refer to chart below.
| Distance
in Kms. (Miles) |
Data
Rate
(Kbps) |
Wire Gauge
(AWG/mm)
|
| 19 (.9mm) |
22 (.6mm) |
24 (.5mm) |
26 (.4mm) |
|
128 / 144
|
17.4 (10.8) |
11.6 (7.2) |
8.1 (5.0) |
5.5 (3.4) |
Protection
Central Office Terminal and Remote
Terminal are protected against power surges and transients occurring
from lightning and electric induction as per CCITT Rec. Table I/K-20
towards line side.
Clock
| Timing
Options |
Internal
Clock, Loop Timed Clock |
| Synchronization
Sources |
Internal
Clock, External Clock, timing derive
from incoming HDB3 links (Loop Timed) |
| Default
Option |
Internal
Clock |
Management
Interface
Local Management Interface
RS232, operating @ 9.6 Kbps CLI (text) based Interface, Hyper Terminal
(VT-100 Emulation).
In-band Management Interface for Remote Terminals
RS232, operating @ 9.6 Kbps CLI (text) based Interface, Hyper Terminal
(VT-100 Emulation).
Out-of-Band Management Interface - Optional
10 / 100 BaseT - User Assigned IP Address
Enviromental
| Temperature
and Humidity |
0°C to + 50°C,
90% R.H. (Non Condensing) |
| Altitude |
upto 9,000 feet |
Power Supply
| Input DC voltage
|
-48V DC ( nominal
) |
| Range of input |
-40V to -60V
DC |
| Output voltages |
+5V, -5V, filtered
-48V ( for term. cards) |
| Full Load Output
Current |
8A at +5V, 0.5A
at -5V |
| Input Voltage
Reversal Protection |
Provided in
the Card |
| Over Current
Protection |
10A for +5V,
0.5A for -5V |
| Short Circuit
Protection |
Current limit
- 6A. Recovers on removal of short |
| Efficiency at
full load
|
>86% |
| Ripple at full
load
|
<5mVrms |
| Spike at full
load |
<50mV |
| Power
Consumption |
21W - with all 30
Voice Circuits
50W (Worst - Case) - all data circuits. |
Related Links:
Other Related Links:
Home
| What's
New | About Us |
Contact Us | Products |
E-mail
Aries
Telecom
10842, N 127th Place
Scottsdale, AZ 85259, U.S.A.
Phone: 1-480-816-8672 Fax: 1-480-451-6693
E-mail: info@ariestelecom.com
Website: http://www.ariestelecom.com
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brandnames and trademarks are the property of their respective owners.
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Related
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Product Brochure
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Presentation
Ordering Information
Related Products
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GSM Gateways
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