Electrical Interface @ 34MBit/Sec.
|
Specification |
34MBit/Sec.
Port |
| Bit rate |
34368 Kbps. |
| Tolerance |
± 20ppm. |
| Interfaces |
1, G.703 |
| Line Code |
HDB3 |
| Signal Level |
1.0 V p |
| Impedance |
75 Ohms Un-Balanced |
| Permissible Attenuation |
12 dB at 17184 KHz. |
34 MBits/Sec. Optical Interface
|
Specification |
34Mbps, Optical Interface |
| Line Code |
NRZ Scrambled |
| Fiber Type |
Single Mode |
| Wavelength (in nm) |
1280-1330nm |
Transmitter
Average Power Output Minimum (in dBm) |
-3dBm*, -5dBm*,
-8dBm*, -12dBm*, (*optional) |
| RMS Spectral Width |
< 4nm |
| Random Jitter |
Typical 100 ps.
Max. 760 ps. |
| Data-dependent Jitter |
Typical 200 ps.
Max. 600 ps. |
Receiver
Receiver Sensitivity (in dBm) |
Typical -42.0 dBm
Min. -38.0 dBm |
| Maximum Input Power |
@ 34MBit/Sec. -3.0 dBm |
| Equipment Margin (in dB) |
3 dB. |
| 1+1 Protection |
Optional |
2MBit/Sec Interface
|
Specifications |
2M Bit/Sec
Interface |
| Bit Rate |
2048K
Bit/Sec. |
| PCM Sampling Rate: |
8000 Samples/Sec. |
| Encoding Law: |
A Law. |
| Code |
HDB3 |
| Tolerance |
± 50ppm. |
| Signal Level |
2.37V / 3.0Vp |
| Nominal Impedance |
120 Ohms balanced (75 Ohms
un-balanced, optional) |
| Pulse Mask |
As per ITU (CCITT) G.703 |
| Frame Structure |
As per ITU (CCITT) G.704 |
| Permissible
Attenuation |
6dB at 1024 KHz. |
| Signaling |
Channel Associated Signaling. |
| Fully compliant to ITU
(CCITT) G.703 interface specifications. |
Voice
Frequency Ports
|
Specifications |
Voice Frequency Ports |
| Line Impedance |
600 Ohms (900 Ohms optional). |
| Voice Channel
Frequency |
300Hz - 3400Hz. |
| Insertion Loss |
-2.0dB Nominal (User adjustable in
steps of 0.5dB through Network Management Software). |
| Idle Channel
Noise |
< -65dB |
| Return Loss |
300Hz. - 600Hz. - > 12dB.
600Hz. - 3400Hz. - >
15dB. |
| Longitudinal
Balance |
> 46dB between 300Hz to 3400Hz. |
| Ring Frequency |
25Hz (20Hz optional). |
| Ring Voltage |
40Volts RMS into a 3 R.E.N. Load. |
| Subscriber Loop
Current |
23mA into a subscriber loop of 1000
Ohms. |
| Overload Level |
+3.14dBm ± 0.5dBm. |
| Battery Reversal |
All channels. |
| Periodic Metering |
16KHz. (Optional) |
| Transmission Performance: Fully
compliant to ITU (CCITT) G.713 specifications. |
V.35
High Speed Data Interface
| Bit rate |
64KBits/Sec. |
| Mode |
Synchronous |
| Conformity |
To ITU (CCITT) Rec. V.35 |
V.24
Data Interface
| Bit rate |
2.4 / 4.8 / 7.2 / 9.6 / 19.2
KBits/Sec. |
| Mode: |
Synchronous / Asynchronous |
| Conformity |
To ITU (CCITT) Rec. V.24 |
Synchronization
| Synchronization
Sources |
Priority Software Selectable by the
user, Internal Clock, External Clock, Extracted from a Remote Source through the 34.368
MBits/Sec. received signal. |
Power
Requirements
| Power
Requirements |
-48VDC nominal, -40VDC to -60VDC. |
Environmental
|
Temperature Range |
-10° Centigrade
to +65° Centigrade |
| Humidity |
5% to 95% R.H. Non-Condensing. |
Related Links
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