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Showing 4153 to 4176 of 9179 products

REFURBISHED: 2nd Generation Version of TSU RM rackmount, single port T1/FT1 DSU/CSU for Smart 16 /16e shelf, Part# R1202077L1

REFURBISHED: 2nd Generation Version of TSU RM rackmount, single port T1/FT1 DSU/CSU for Smart 16 /16e shelf. Similar functionality to standalone TSU. Provides single V.35...

REFURBISHED: 2nd Generation Version of TSU RM rackmount, single port T1/FT1 DSU/CSU for Smart 16 ...

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$662.00 $537.88
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REFURBISHED: System Controller Card for the ATLAS 890, Part# R1200322L1

REFURBISHED: System Controller Card for the ATLAS 890. Controller card includes a10/100BaseT Ethernet port, an EIA-232 ADMIN port (RJ45), and Frame Relay/PPP software.    

REFURBISHED: System Controller Card for the ATLAS 890. Controller card includes a10/100BaseT Ethe...

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$2,447.00 $1,988.19
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REFURBISHED: 28 Port Managed Layer 3 Gigabit Ethernet Switch, Part# R1700546G1#120

REFURBISHED: 28 Port Managed Layer 3 Gigabit Ethernet Switch. Includes 24 - SFP Gigabit (1Gbps) access ports and 4 - Enhanced SFP Gigabit (1Gbps/2.5Gbps) Ethernet...

REFURBISHED: 28 Port Managed Layer 3 Gigabit Ethernet Switch. Includes 24 - SFP Gigabit (1Gbps) a...

In Stock
$2,797.00 $2,027.83
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REFURBISHED: 28 Port Managed Layer 3 Gigabit Ethernet Switch, Part# R1700546G1

REFURBISHED: 28 Port Managed Layer 3 Gigabit Ethernet Switch. Includes 24 - SFP Gigabit (1Gbps) access ports and 4 - Enhanced SFP Gigabit (1Gbps/2.5Gbps) Ethernet...

REFURBISHED: 28 Port Managed Layer 3 Gigabit Ethernet Switch. Includes 24 - SFP Gigabit (1Gbps) a...

In Stock
$2,797.00 $2,027.83
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REFURBISHED: Total Access 924e IP Business Gateway- Designed for WAN flexibility using Ethernet or T1 WAN, Part# R4243924F2

REFURBISHED: Total Access 924e IP Business Gateway- Designed for WAN flexibility using Ethernet or T1 WAN. Includes 1 Gigabit 10/100/1000 BaseT port, two 10/100 BaseT...

REFURBISHED: Total Access 924e IP Business Gateway- Designed for WAN flexibility using Ethernet o...

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$2,097.00 $1,703.81
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REFURBISHED. Standalone ISDN BRI Total Access, Part# R1202029L2

REFURBISHED. Standalone ISDN BRI Total Access. Supports up to 128 kbps for single application. Includes NT1. Supports BONDING, MLPPP, V.120, Clear Channel. V.35, RS-232, RS-530,...

REFURBISHED. Standalone ISDN BRI Total Access. Supports up to 128 kbps for single application. In...

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$557.00 $452.56
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REFURBISHED: Access router for frame relay and point-to-point connectivity, Part# R4200990L1

REFURBISHED: Access router for frame relay and point-to-point connectivity. Includes 6 slots for Wide Modules and 2 integral10/100BaseT Ethernet ports. Features include IP routing, OSPF,...

REFURBISHED: Access router for frame relay and point-to-point connectivity. Includes 6 slots for ...

In Stock
$4,897.00 $3,550.33
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REFURBISHED: Rackmount version of ESF CSU ACE, Part# R1202066L1

REFURBISHED: Rackmount version of ESF CSU ACE compatible with Smart 16 /16e shelves. Used to interface CPE equipment to T1 line. Provides SF to ESF...

REFURBISHED: Rackmount version of ESF CSU ACE compatible with Smart 16 /16e shelves. Used to inte...

In Stock
$609.00 $494.81
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  NETVANTA 3140    

In Stock
$592.00 $429.20
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REFURBISHED: Access router for frame relay and point-to-point connectivity, Part# R4200883L1

REFURBISHED: Access router for frame relay and point-to-point connectivity. Includes 2 modular network interface slots and 2 integral10/100BaseT Ethernet ports. Features include IP routing, OSPF,...

REFURBISHED: Access router for frame relay and point-to-point connectivity. Includes 2 modular ne...

In Stock
$1,222.00 $885.95
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REFURBISHED: Access router for frame relay and point-to-point connectivity, Part# R4200821G11#120

REFURBISHED: Access router for frame relay and point-to-point connectivity.  Includes modular network interface and 2 integral 10/100BaseT Ethernet ports.  Also includes integrated 8 Port Fully-Managed...

REFURBISHED: Access router for frame relay and point-to-point connectivity.  Includes modular net...

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$1,113.00 $806.93
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REFURBISHED: Modular T1/FT1 DSU/CSU w/ embedded SNMP and V.35 interface, Part# R1202052L1

EFURBISHED: Modular T1/FT1 DSU/CSU w/ embedded SNMP and V.35 interface supporting Dial Backup. Single slot accepts 1 expansion module w/ plug-on to add 4 addl...

EFURBISHED: Modular T1/FT1 DSU/CSU w/ embedded SNMP and V.35 interface supporting Dial Backup. Si...

In Stock
$1,327.00 $1,078.19
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REFURBISHED: TSU Multiplexer Series Module, Part# R1200065L1

REFURBISHED: TSU Multiplexer Series Module. Full Drop and Insert expansion module. Provides secondary T1 interface. Can only be installed in slot 6 in TSU 600/600e....

REFURBISHED: TSU Multiplexer Series Module. Full Drop and Insert expansion module. Provides secon...

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$504.00 $409.50
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REFURBISHED: Total Access 924e - Four T1 network interfaces, Part# R4242924L3

REFURBISHED: Total Access 924e - Four T1 network interfaces (two of the T1fts can be configured for DSX-1 applications), 24 FXS ports, two10/100 BaseT interfaces,...

REFURBISHED: Total Access 924e - Four T1 network interfaces (two of the T1fts can be configured f...

In Stock
$2,307.00 $1,874.44
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REFURBISHED: IP PBX with integrated Switch/Router, Part# R1200796E1

REFURBISHED: IP PBX with integrated Switch/Router. Chassis includes two NetVanta NIM/VIM module slots, 24 Power over Ethernet 802.3af10/100 access ports, two Combo10/100/1000/SFP Gigabit ports, one10/100...

REFURBISHED: IP PBX with integrated Switch/Router. Chassis includes two NetVanta NIM/VIM module s...

In Stock
$3,217.00 $2,994.05
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REFURBISHED: Quad DSX-1 card provides 4 DSX-1 ports for a point to point unchannelized T3 application., Part# R1200284L1

REFURBISHED: Quad DSX-1 card provides 4 DSX-1 ports for a point to point unchannelized T3 application.    

REFURBISHED: Quad DSX-1 card provides 4 DSX-1 ports for a point to point unchannelized T3 applica...

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$1,117.00 $907.56
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REFURBISHED: Total Access 908e - Four T1 network interfaces (two of the T1fts can be configured for DSX-1 applications), part# R4242908L3

REFURBISHED: Total Access 908e - Four T1 network interfaces (two of the T1fts can be configured for DSX-1 applications), 8 FXS ports, two10/100 BaseT interfaces,...

REFURBISHED: Total Access 908e - Four T1 network interfaces (two of the T1fts can be configured f...

In Stock
$2,834.00 $2,302.63
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REFURBISHED: Total Access 908e IP Business Gateway- Designed for WAN flexibility using Ethernet or T1 WAN, Part# R4243908F2

REFURBISHED: Total Access 908e IP Business Gateway- Designed for WAN flexibility using Ethernet or T1 WAN. Includes 1 Gigabit 10/100/1000 BaseT port, two 10/100 BaseT...

REFURBISHED: Total Access 908e IP Business Gateway- Designed for WAN flexibility using Ethernet o...

In Stock
$1,624.00 $1,319.50
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REFURBISHED: Access router for frame relay and point-to-point connectivity, Part# R4200863L1

REFURBISHED: Access router for frame relay and point-to-point connectivity. Includes modular network interface and10/100BaseT Ethernet port. Features include IP routing, OSPF, BGP, RIP V1 and...

REFURBISHED: Access router for frame relay and point-to-point connectivity. Includes modular netw...

In Stock
$802.00 $581.45
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REFURBISHED: ATLAS 550 User Interface Module. Provides 4 ISDN U-Interfaces, Part# R1200315L1

REFURBISHED: ATLAS 550 User Interface Module. Provides 4 ISDN U-Interfaces. Includes 4 RJ45-RJ11 cables (7 ft.). Can be used in any user interface module slot....

REFURBISHED: ATLAS 550 User Interface Module. Provides 4 ISDN U-Interfaces. Includes 4 RJ45-RJ11 ...

In Stock
$1,120.00 $910.00
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REFURBISHED: Single Port E1 CSU/DSU w/ metallic E1 network interface and universal DTE interface, Part# R1200410L1

REFURBISHED: Single Port E1 CSU/DSU w/ metallic E1 network interface and universal DTE interface. DB15 120 ohm E1 interface on the base unit (DB15 120...

REFURBISHED: Single Port E1 CSU/DSU w/ metallic E1 network interface and universal DTE interface....

In Stock
$571.00 $463.94
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Redundant and External Power Supply for NetVanta 1500 and 1600 series Ethernet Switches, Part# 4700531F1

Redundant and External Power Supply for NetVanta 1500 and 1600 series Ethernet Switches.  Includes 3 - Redundant Power Supply ports capable of delivering 12V backup...

Redundant and External Power Supply for NetVanta 1500 and 1600 series Ethernet Switches.  Include...

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$1,790.00 $1,297.75
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REFURBISHED: ATLAS 800 Series option module, part# R4200773L2

REFURBISHED: ATLAS 800 Series option module. Module provides two independent Video Ports for videoconferencing applications. Each Video Port provides an RS-366 dialing interface and an...

REFURBISHED: ATLAS 800 Series option module. Module provides two independent Video Ports for vide...

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$1,747.00 $1,419.44
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REFURBISHED: ATLAS 800 Series option module, Part# R1200262L1

REFURBISHED: ATLAS 800 Series option module. Performs BONDING Mode 1 compliant inverse multiplexing in increments of 56/64 Kbps.Module provides 4.096 Mbps of BONDING capacity that...

REFURBISHED: ATLAS 800 Series option module. Performs BONDING Mode 1 compliant inverse multiplexi...

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$1,397.00 $1,135.06
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Showing 4153 to 4176 of 9179 products