Dialogic DSI SS7LDH4 Network Interface Board
Low Density Signaling for Effective Value-Added Services
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The Dialogic DSI SS7LDH4 Network Interface Board offers SS7 network connectivity to service nodes handling low volumes of signaling traffic (for example, 200 calls per second or less), and its half-sized PCI Express form factor helps reduce deployment costs. These characteristics, in addition to the ability to choose a bundle of circuit protocols in capacities suitable for small configurations, can help businesses meet the price points needed for success in a highly competitive segment of the market.
The DSI SS7LDH4 can deliver cost-effective signaling functionality for value-added services, such as call completion, prepaid calling, and call routing applications.
The DSI SS7LDH4 supports the Dialogic DSI SS7 Stack, allowing API-level compatibility with applications developed for other Dialogic DSI SS7 Boards, including the Dialogic® DSI SPCI Network Interface Boards. Application development for the SS7LDH4 is accelerated by a comprehensive suite of test utilities, sample code, and user-part programming guides.
Easy Migration for Existing Signaling Applications
Existing signaling-only applications that are currently deployed with DSI SPCI Network Interface Boards and that use Dialogic DSI APIs or the Dialogic Global Call API for SS7 can be executed with minimal configuration changes on systems configured with the DSI SS7LDH4.
Features and Benefits:
|From 2 to 16 low-speed MTP links||Provides a choice of densities|
|Board and protocol license packages||Allows the purchase of a capacity that helps make a solution more price-competitive in low traffic markets|
|Half-length, PCI Express form factor||Permits the use of lower-cost rack-mount servers design for small footprint peripherals|
|Development package of programming aids, configuration tools, and run-time management and monitoring facilities||Enables rapid development of robust, scalable applications|
|Telecom clock management||
|Line codes||HDB3, B8ZS|
|Protocol execution||MTP2 onboard, higher levels on host|
|Network protocol execution||SS7 (MTP1 & MTP2)|
|HDLC monitoring||Passive monitoring of HDLC format data links including, SS7, LAPB, LAPD, ISDN, and DPNSS|
|Form factor||x1 standard height, half-length board|
|Length||16.8 cm (6.6 in) maximum|
|Height||11.1 cm (4.3 in) maximum|
|+12 VDC power||0.25 A max|
|+3.3 VDC power||1.8 A max|
|Power dissipation||8.94 W max|
|Operating temperature||0°C to +55°C|
|Air flow||1.5 Mbps (300 LFM)|
|Storage temperature||–20°C to +70°C|
|Relative humidity||8% to 80% non-condensing|
|Altitude||0 to 15,000 ft|
|Safety and EMC|
|Canada||ICES-003 Class A, CSA 60950-1 2nd Ed.|
|Europe||EN60950:2006 w/A11:2009, CISPR 22 Ed 5.2b:2006 Class A, EN55022:2006 w/A1:2007 Class A, EN55024: 1998 w/A1:2001, A2:2003|
|United States||FCC Part 15 Class A, UL 60950-1 2nd Ed.|
|CB Scheme||IEC 60950-1 2nd Ed.|
|Canada||CS-03 Issue 9|
|Europe||TBR 12 and 13|
Download the Dialogic DSI SS7LDH4 Network Interface Board Datasheet (.PDF)
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