| Specifications: |
| Model |
Realgain-4 |
| Hardware Specifications |
|
| Power supply |
230 V A.C nominal (160V to 240V) / -48 V D.C nominal (-36V to -60V) |
| Dimensions |
Single Slot (S. S.) Enclosure: 245 x 306 x 62 mm & 19” shelf: 586 x 355 x 435 mm |
| Operating environment |
-15 ~55 degree C, 5%~90%RH |
| Interfaces |
|
| DSL Line |
G.SHDSL compliant to G.991.2, ETSI 101 524 |
| Copper pairs |
Two/One. Refer Table 1 &2 for the reach |
| Line Coding & Impedance |
TC-PAM line coding; 135 Ohms |
| Protection |
ITU K.20 & K.21 |
| Connectors |
RJ45 & Terminal Block |
| Network Interface |
|
| G.703 |
120 Ohms /75 ohms network interface |
| Standards |
Complies with G.703, G.704, G.706 & G.732 |
| Modes |
Structured / Unstructured modes |
| Line Code |
HDB3 |
| |
LIU Sensitivity: (I) Short Haul.0 to -6dB (II) Long Haul.0 to –34dB (III) Ext. Long Haul. -20 to –48dB |
| Clock Options |
Internal Clock/ External Clock/ G.703 Recovered Clock |
| Connectors |
RJ45/Terminal Block & BNC |
Synchronous Interface V.35/V.36/X.21/RS530 |
Standard M34 pin Connector |
| |
Client interface providing up to 2.048 Mb/sec data |
| |
N x 64 Kbps (N=1 to 32) user configurable as bandwidth requirements |
| |
DTE, DCE soft configurable (Optional) |
| Ethernet |
Compliance to Ethernet & IEEE 802.3 standards |
| Protocol |
Supports standard HDLC protocol |
| |
10 Base-T (RJ-45), IEEE 802.3, half & full duplex |
| MAC address |
Dynamically learning and aging up-to 2048 MAC addresses |
| Management |
|
| Front panel LEDs |
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Power supply Indication,
Sync1 & Sync 2: G.SHDSL synchronization
Marg (1/2): Indicates status of link as marginal on pair-1 & pair-2
TD/RD: Transmit & Receive data
LOS: Loss of E1 signal
Fault: E1 Faults (LOS, AIS or Loss of frame)
Test: System under TEST |
| LCD with front panel switches |
16x2 LCD for System Information, Configuration & Fault Diagnostics |
| Loop backs |
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•
•
• |
Compliant to ITU V.54
Exchange-to-Exchange loop back at LTU
Exchange-to-Exchange loop back at NTU
Customer-to-Customer loop back at NTU |
| BER meter |
Yes with PRBS generator & various data patterns |
| Console |
RS232 connector for PC connectivity |
