G.SHDSL LINE INTERFACE :

Line type : 2Wire (single pair operation) twisted copper wire of 0.5mm Diameter.

Line Code : TCPAM as per the ITU-T G991.2 ( Annex –A and Annex –B ).

Bandwidth : Operates From 64Kbps to 2048Kbps

Line Impedance : 135 Ohms

Transmit Signal Power : 16 dBm +/- 0.5dBm

Operating Range : 6 Kms. on 0.5mm diameter copper cable @ 2.048Mbps data rate operation and 11Km on 0.5mm diameter copper cable @ 64Kbps in operation

Line protection : As per ITU-T K20 and K21

Transmit Level : Upto 16dBm

Connector : RJ 45

Surge Protection : Internal and Optional External Surge Protection

G703 INTERFACE SPECIFICATIONS :

Interface : E1 Interface (4 wire) as per CCITT G.703, G.704 .

Framing : As Per ITU-T G.703 and G.704 Framed and Unframed Operation (Supports PCM31 and PCM30 with the CRC Enable and Disable Operation)

Line Code : HDB3

Speed : 2.048 Mbps (n*64), N=1 to 32)

Impedance : 120 Ohms (Balanced), Optional : 75 Ohms (Unbalanced)

CRC : CRC-4 Generation and Checking

Transmit Clock Mode : Internal clock or G.703 Recovered clock/Recovered from line

Timeslot Selection : Programmable Time slot selection

Connector : RJ45

Connector

Clocking Mode :

External ( Recovered from the E1 Interface ) , Internal , Recovered From DSL Lin

Diagnostics:

Local Loopback, Digital Loopback and Remote Loopback as per the ITU-T V.54 standard.

All loop back tests and BERT should be operated through Front Panel switches.

Built in test 511 pattern generation and checking (BERT) for the DSL Line as well as the PCM E1 Checking.

End to End Diagnostics and Status Monitoring is through the Embedded Operation Channel EOC without Interrupting the Data

MODEM CONFIGURATION AND STATUS MONITORING:

Modem Configuration Through Dipswitches.

MODEM LED INDICATIONS:

PWR, MR, COT, DSL LINK, DTR, RTS, PAT, ERR, TST

POWER SUPPLY FOR BOTH THE G703 AND V35 MODEM :

DUAL MODE AC/DC, 230VAC +/- 10% & –48VDC +/-10%

TEMPERATURE :

-5 To 60°C

HUMIDITY:

Upto 95% non condensing

LINE PROTECTION:

As per ITU K.20/K.21