Lease Line Modems
   
 
 


Realgain-2;64/128Kbps Lease line Modem

Specifications: 
Model

Realgain-2
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 ISDN line complies to ETSI STR 080 and ITU-T G.961
Copper pairs Two/One. Refer Table 1 &2 for the reach
Line Coding & Impedance 2B1Q line coding; 135 Ohms
Protection ITU K.20 & K.21
Connectors RJ45 & Terminal Block
Network Interface  
G.703 120 Ohms
Standards Complies with Co-Directional 64 Kbps G.703
Modes Structured / Unstructured modes
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
Data Rate
Client interface providing up to 2.048 Mb/sec data
Bandwidth
N x 64 Kbps (N=1 to 32) user configurable as bandwidth requirements
Interface DTE, DCE soft configurable (Optional)
Management  
Front panel LEDs •
•
•

•
•
•
•		 Power supply Indication,
Sync1: DSL synchronization
Marg (1): Indicates status of link as marginal on pair-1 & pair-2
TD/RD: Transmit & Receive data
LOS: Loss of E1 signal
Fault: Faults t remote end
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 & various data patterns
Console RS232 connector for PC connectivity

Ordering Information

RTS- Realgain-2– XXXX –  YY

XXXX (Options)
Realgain System Options

Xxxx
Interface
052A

G.703 Co-Directional
052B

V.35
052C

V.35/G.703 (Co-Directional)
052D

Ethernet
052E

Ethernet/V.35
053F

Other Interfaces



YY (Features)

Features (YY)
Power Options
Display Type
Mechanical

 

Single Digit Display

LCD

S.S

Shelf

00

220VAC

-

-

01

48VDC

-

-

02

220VAC/48VDC

-

-

03

220VAC

-

-

04

48VDC

-

-

05

220VAC/48VDC

-

-

06

48VDC

-

-

         Note:
         7seg    = 7 Segment Display
         S.S      = Single Slot Enclosure.
              
      Remote powering & wetting current options are available on request.
      Please contact factory for customer specific requirements.