Overview:

OTM2500 next-generation MSTP transport test module analyzer  is one of OPWILL’s modular test products. OTM2500 series can be configured on OTP6200 and OTP6800 test platforms to achieve complete next-generation MSTP test functionalities and offer comprehensive test solutions for metro network. It is a high cost-effective next-generation network test product.

PDH / SDH / MSTP Test Features

1.Support various PDH/SDH test interfaces: 1.5M/2M/34M/45M/140M/155M electrical interface, 155M/622M/2.5G/10G optical interface

2.Ethernet test interface: 10/100/1000M Ethernet electrical interface, 100/1000M SFP optical interface

3.Mixed and bulk payload generation and analysis from 1.5Mbit/s to 10 Gbit/s

4.High-order and low-order mappings

5.Round-trip delay measurements

6.Independent transmitter and receiver testing

7.High-order and low-order pointer generation and monitoring

8.All PDH/SDH/SONET interfaces support End-to-end or loopback BER testing

9.Section/RS, line/MS, high-order and low-order path overhead manipulation and monitoring, alarm/error generation and monitoring

10.Tandem connection monitoring

11.Performance monitoring: G.821,G.826,G.828,G.829,M.2100,M.2101

12.Frequency analysis and power measurement

13.Frequency offset generation

14.Automatic protection switching and service disruption time measurements

Next-Generation SDH Test Features

Generic framing procedure (GFP)

• Conform to ITU-T G.7041 and ANSI T1.105-2001

• GFP-F support

• GFP header control, error injection and detection

• GFP over LO VCAT/HO VCAT

Virtual concatenation(VCAT)

• Conform to ITU-T G.707, Telcordia GR253 and ANSIT1.105-2001

• SDH error performance analysis per ITU-T G.821,G.828,G.829,M.2101, M.2110, M.2120 and Telcordia GR253

• Virtual concatenation testing, VC-11, VC-12 , VC-3 and VC-4; synchronously test on 64 VC-11 & VC-12 members/48 VC-3 memebers/16 VC-4 members

•Differential delay generation, measurement and payload reassembly up to 256ms

•Path overhead bytes control and decode on each member

• Error injection and alarm generation on each member

• Independent control and monitoring on each path

Link capacity adjustment scheme (LCAS)

• Conform to ANSI T1.105, ITU-T G.7042, G.707, 783, 806

• LCAS protocol emulation

• Emulation of Source and Sink state mechines per member

• Generation and capture of member status information

• All optical interfaces and electrical interfaces (SDH) support HO & LO VCAT

Ethernet over SDH/SONET(EoS)

• Support 10/100/1000 M Base-T Ethernet interface and gigabit optical interface

• Ethernet payload add/drop in SDH line with GFP mapping

• Flexible generation and statistics of Ethernet frame, including layer2 and layer3 testing with VLAN and MPLS label

• Various Ethernet payload patterns (PRBS)