Distances up to 40 km
- Local/Remote Loopback
- Supports AMI/B8ZS/HDB3 Line Codes
- Eight LED Indicators
- No Jitter
- Multimode or Single Mode (850/1300/1550)
- Low Power Consumption (3 Watts)
- Full Digital Technology Design
- 12/24/-48VDC, or 115/230VAC Power
- High Temperature (-20°C to 70°C) Version
Optional
Application
The LT1630 Fiber Optic T1/E1 Modem is typically
used to link Channel Banks, PBXs, and M13 multiplexers
to DSX-1 Cross Connects in Video Conferencing
and Distance Learning applications. It is also
used to link Customer Premises Equipment to CSU/DSUs
and with metallic medium T1/E1 multiplexers to
transmit over fiber optic cable.
Description
The Model LT1630 is a T1/E1 Fiber Optic Modem
that offers advanced features such as Jitter Removal,
Multiple LEDs and a replaceable Line Interface
Module. Because it is based on modern FPGA (Field
Programmable Gate Array) technology, it offers
optimum flexibility, extremely low current consumptions
and high reliability. A rackmount version is available
as LT1630R.
Transparent to the framing format, the LT1630
supports AMI, B8ZS and HDB3 line codes and DSX-1
(T1) cross connect distances from 0 to 655 feet.
It includes an internal elastic buffer to remove
jitter from transmit data.
Eight LED indicators help installation and troubleshooting—one
each for POWER, T1/E1, BPV, AIS, ALARM, O-SYNC,
RMT1-0, RMTLB. Eight DIP switches, accessible
from the panel, provide control settings for line
code, line length, local loopback or remote loopback.
The intelligent line code setting switch eliminates
confusion—such as when the line code does
not match the line length setting.
The LT1630 is compatible with all popular types
and sizes of optic cable. Fiber optic connectors
are ST; FC is optional. Special four-position
and two-position feed-thru detachable terminals
connect the T1/E1 twisted pairs. Input power is
12VDC, 24VDC, -48VDC or 115/230VAC with an external
power cube. An extreme temperature (-20oC to 70oC),
LT1630Q is available.
NOTE: The LT1630 is 100% compatible with its
predecessor Model LT1620.
Specifications
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Modems 
