T1/E1/T3
Showing 73 to 83 of 83 products
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TSU DUAL FXO OPT W/ID, Stock# 1200104L2-F FACTORY REFURBISHED
Product featuresTwo RJ-11 2-wire analog voice portsExtends phone lines to remote sites over T1/FT1 circuitsPasses message waiting when used with the TSU Dual FXS Plus...
Product featuresTwo RJ-11 2-wire analog voice portsExtends phone lines to remote sites over T1/FT...
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TSU DUAL FXO OPT W/ID
Product featuresTSU Multiplexer Series Module. Provides two Foreign Exchange Office (FXO) voice ports. Hot Swappable if used with a Hot Swappable plug-in module.T1:MUX VOICE MODULES
Product featuresTSU Multiplexer Series Module. Provides two Foreign Exchange Office (FXO) voice p...
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DUAL FXO MODULE W/ID
Product featuresTSU Multiplexer Series Module. Provides two Foreign Exchange Office (FXO) voice ports. Supports message waiting indication when used with ADTRAN Dual FXS modules. Plug-On...
Product featuresTSU Multiplexer Series Module. Provides two Foreign Exchange Office (FXO) voice p...
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TSU 100E/120E 19" RACKMNT SHLF
Product features19" shelf for rackmounting two TSU 1XX 2nd Gen units. Color: Cream.T1:MUX END ACCESS.
Product features19" shelf for rackmounting two TSU 1XX 2nd Gen units. Color: Cream.T1:MUX END ACC...
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DROP & INSERT OPTION, Stock# 1200065L1-F FACTORY REFURBISHED
Product featuresTSU Multiplexer Series Module. Full Drop and Insert expansion module. Provides secondary T1 interface. Can only be installed in slot 6 in TSU 600/600e.MiscellaneousCompatibility...
Product featuresTSU Multiplexer Series Module. Full Drop and Insert expansion module. Provides se...
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DROP & INSERT OPTION
Product featuresTSU Multiplexer Series Module. Full Drop and Insert expansion module. Provides secondary T1 interface. Can only be installed in slot 6 in TSU 600/600e.T1:MUX...
Product featuresTSU Multiplexer Series Module. Full Drop and Insert expansion module. Provides se...
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TSU METAL, Stock# 1200060L2-F FACTORY REFURBISHED
Product featuresSingle port T1/FT1 DSU/CSU with metal chassis, LCD display and front panel, 4 button keypad. VT 100 configuration, status and monitoring. Single V.35 DTE...
Product featuresSingle port T1/FT1 DSU/CSU with metal chassis, LCD display and front panel, 4 but...
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Product featuresSingle port T1/FT1 DSU/CSU with metal chassis, LCD display and front panel, 4 but...
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DSX-1 PASS THRU,HOT SWAP
Product featuresTSU Multiplexer Series Module. Provides DSX-1 signal for PBX applications. Can only be installed in slot 6 in TSU 600/600e. (HOT SWAPPABLE)T1:MUX VOICE MODULES
Product featuresTSU Multiplexer Series Module. Provides DSX-1 signal for PBX applications. Can on...
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NX56/64 OPTION CARD,530 Stock# 1200054L2-F FACTORY REFURBISHED
Product featuresTSU Multiplexer Series Module. Provides high speed data through an EIA-530 Standard Interface.T1:MUX DATA MODULES
Product featuresTSU Multiplexer Series Module. Provides high speed data through an EIA-530 Standa...
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NX56/64 OPTION CARD,530
Product featuresTSU Multiplexer Series Module. Provides high speed data through an EIA-530 Standard Interface.T1:MUX DATA MODULES
Product featuresTSU Multiplexer Series Module. Provides high speed data through an EIA-530 Standa...