Lease Line Modems
   
 
 
 


Realgain-1;2Mbps HDSL Leased line Modem

Specifications: 
Model

Realgain-1
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 HDSL compliant to G.991.1, ETSI ETR152
Copper pairs Two ( 1168 Kbps Bit rate)/One (2320 Kbps bit rate)
Line Coding & Impedance 2B1Q 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)
Management  
Front panel LEDs •
•

•

•
•
•

•
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

•
•
•
•
•

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-1– XXXX – YY
     
Realgain-1   

XXXX (Options)
Realgain System Option

XXXX

Interface

052A

G.703

052B

V.35

052C

V.35/G.703

052D

Ethernet

052E

Ethernet/V.35

052F

Other Interfaces to be specified

Features YY
Power options
Display Type
Mechanical

 

7 Seg (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.