supply of pcm tdm integrated access device equipped with of 4e1 ports and 3 slots & one slot populated with 2w/4w e&m supporting up 8 interfaces balance two slots empty unit support 124 dso slot cross connect. e&m module to support gain/loss adjustment for lvcd application. unit support both ac/dc power supply (ac 230 volt/ dc 24v to 48v) including 50 pin cable one number for supporting both 2w/4w e&m, ac adaptor one number.pcm tdm integrated access device equipped with of 4e1 ports and 3 slots & one slot populated with 2w/4w e&m supporting up 8 interfaces balance two slots empty unit support 124 dso slot cross connect. e&m module to support gain/loss adjustment for lvcd application. unit support both ac/dc power supply (ac 230 volt/ dc 24v to 48v) including 50 pin cable one number for supporting both 2w/4w e&m, ac adaptor one number.,pcm tdm integrated access device (equipped with of 4e1 ports and 3 slots & one slot popula ted with 2w/4w e&m supporting up 8 interfaces balance two slots empty unit support 124 dso slot cross c onnect. e&m module to support gain/loss adjustment for lvcd application. unit support both ac/dc power supply (ac 230 volt/ dc 24v to 48v) including 50 pin cable one number for supporting both 2w/4w e&m, a c adaptor one number. [ warranty period: 30 months after the date of delivery ] ]