The STM-1 (Synchronous Transport Module level-1) is the SDH ITU-T fiber optic network transmission standard. It has a bit rate of 155.52 Mbit/s. Higher levels go up by a factor of 4 at a time: the other currently supported levels are STM-4, STM-16, STM-64 and STM-256.

The SDH/STM-1 trunk card is a high density multiplex/demultiplex card that takes in an STM-1 (SDH) pipe, used to transport up to 1890 DS0 (30 DS0 per E1) channels in ISDN PRI and E1 R2 configuration and 1953 DS0 (31 DS0 per E1) in SS7 with A-link configuration.

STM-1 Mux is a cost-effective, compact (only 1U high), SDH (Synchronous Digital Hierarchy) multiplexer that is designed for applications in metro and access networks for efficient transport of traditional TDM and emerging data traffic.

Valiant's STM-1, E1 and Ethernet over SDH Transmission Equipment provides full capability to cross-connectatVC-12levelbetweenalltributaries. The equipment can be used as Terminal Multiplexer (TM) or an Add-Drop-Multiplexer (ADM) to build a point-to-point,ringandchain(add-drop) transmissionnetwork.

Mar 20, 2015 · You can configure the SM-1-STM1 as a multichannel E1 STM-1 port, which can be configured into 63 individual E1 links. Each E1 link can carry a single channel at full or fractional rates, or it can be broken down into multiple DS0 rates.

Aug 25, 2016 · By supporting both Point-to-Point Protocol (PPP) and Frame Relay, the Cisco 1-Port Channelized STM-1/OC-3 SPA Version 2 allows easy transition of connectivity from Frame Relay networks to direct IP leased-line grooming over SDH networks, thus simplifying the transition to high-bandwidth, full-feature aggregation solutions on Cisco 7600, ASR 1000...

STM-1 over IP (Ethernet) Multiplexer (SDH over IP), Provide 5 GE electrical ports and 1 GE optical port, 6 GE ports serve as network uplinks or users ports, STM-1 card has 2 port, support local clock, STM-1 line clock and external clock

4 E1 Optical Multiplexer with 100Mbps Ethernet data transmission rate solution is a high performance optical line transmission equipment, combines 4, ITU-T G.703 compliant standard electrical E1s plus 100Mbps ethernet signal into an optical data stream for transport over fiber optic pairs. Read More... Get Data Sheet.

Mar 6, 2006 · we have two STM-1 card (PA-MC-STM-1SMI) on 7606 router. One STM-1 is configured by ISP1.Now , the other STM-1 card is to be terminated by another ISP2.But ISP2 will be using on 20 channels and remaining 43 channels will be wasted.

The Ultra OC-3 / STM-1 Card (PCI) plugs into a PC expansion slot for analyzing, testing, simulating, and monitoring OC-3 / STM-1 and STS-1/STM-0 signals. The card can add and drop T1, E1, T3, STS-1/STM-0 signals to and from an OC-3 / STM-1 signal or T1 and E1 signals to and from an STS-1/STM-0 signal. The card can also generate BERT patterns ...