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Realgain 4E G.SHDSL Leased Line Modem

Specifications: 
Model

Realgain-4E
Hardware Specifications  
Power supply  
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,QM-333 compliant
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 (2Mbps) 120 Ohms(balance) /75 ohms(unbalance) network interface
Standards Complies with G.703, G.704, G.706,G.823 & G.732
Modes Structured / Unstructured modes e.g. PCM-31,PCM-31C,PCM-30,PCM-30C,
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
G.703 (Co-directional )
 120 Ohms /75 ohms network interface
Standards Complies with G.703
Line Code AMI
Clock Options Internal Clock/ External Clock/ G.703 Recovered Clock
Connectors RJ45/Terminal Block & BNC
User Interface
V.35/V.24(RS232)/V.36/X.21/RS530		 Standard M34 pin Connector for V.35
RJ45 connector for RS232
DB25 female connector for V.24 and RS530
DB37 female connector for V.36
DB15 connector for X.21
  Client interface providing up to 2.048 Mb/sec data
  N x 64 Kbps (N=1 to 32) user configurable as bandwidth requirements
Clock/data Inverting/Non-inverting Slave/Loop 
  DTE, DCE soft configurable (Optional)
Control signals DTR,DSR,DCD etc signals are supported
Ethernet Compliance to IEEE 802.3, IEEE 802.3U standards
Protocol Supports standard HDLC protocol
  10 /100 Base-T (RJ-45), half & full duplex
MAC address Dynamically learning and aging up-to 2048 MAC addresses
Management  
Front panel LEDs • Power supply Indication,
• Sync1 & Sync 2: G.SHDSL synchronization.
• Margin (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

• 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
• Customer-to-Customer loop back at LTU
BER meter Yes with PRBS generator of 2E11-1 & various data patterns. Compliant to V.52 & O.152
Console RS232 connector for PC connectivity
Telnet & SNMP Via External Ethernet Management port
   

Table (1) Typical distance over Single pair(2Wire).

Data Rate ( in Kbps)

Distance(Km)@ 24 AWG (0.51 mm) UTP
64
12.0
128
11.0
256
8.0
512
7.0
1024
6.2
2048
5.5
2304
4.2


Table (2) Typical distance over two pairs(4Wire).

Data Rate (in Kbps)

Distance(Km)@ 24 AWG (0.51 mm) UTP
384
8.7
512
8.0
1024
7.0
2048
6.2
4096
5.0
4608
4.2

Ordering Information

RTS- Realgain-4E– XXXX – YY (Unmanaged)
RTS- Realgain-4E– XXXX – YY-M (Managed)

XXXX (Options)
Realgain System Options

        
XXXX

Interface Description

052A

G.703 (2 Mbps)

052B

V.35

052C

V.35 & G.703 (2 Mbps)

052D

Ethernet

052E

Ethernet/V.35

052G

G.703 (64 Kbps Co-Directional)
052I
 G.703(2Mbps)/Ethernet
052K
 G.703(2Mbps) & G.703 (64 Kbps Co-Directional)
052L
 RS232
052M
 V.24
052N
 X.21
052O
 RS530
052P
 V.36

YY (Features)

Features (YY)

Copper pair

Power Options

Mechanical

2 wire

4 wire

Single Slot Chassis

19” Shelf Mounted

00

-

220VAC

-

01

-

48VDC

-

02

-

220VAC/48VDC

-

03

-

220VAC

 

04

-

48VDC

 

05

-

220VAC/48VDC

 

06

-

48VDC

 

07

-

48VDC

 


Indicates, respective feature is available in that particular model.
Please contact factory for customer specific requirements.

 

*RealTime Systems Ltd reserves the right to change the specifications without prior notice.