Bharat electronics ltd manufactures synchronous transfer mode - 1. Its is an multiplexing equipment based on sdh. It facilitates electrical signals via 2mbps, 34mbps, 45mbps, 140mbps, and 155.52 mbps electrical interfaces. Equipment can be synchronized from internal or external reference. It can operate 1310 nm & 1550 nm wavelength. It comes with following salient feature:
Ethernet
Standard optical stm-1 interface.
Configurable as terminal multiplexer,
Add / drop multiplexer or regenerator.
19"standard sub rack.
Can be used for short haul as well as
Long haul applications.
