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                  1. Full Catalog
                  2. Networking - Modems - ISDN Modems
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                  Selections (Limit 10: clear all):
                  Cisco 1-Port 4-Wire 56-/64-kbps CSU/DSU WAN Interface Card
                  Cisco Systems - Cisco 1-Port 4-Wire 56-/64-kbps CSU/DSU WAN Interface Card
                  DSU/CSU - HWIC - 64 Kbps - refurbished - for Cisco 1905, 1921, 1921 4-pair, 1921 ADSL2+, 1921 T1, 1941, 2901, 2911, 2921, 2951
                  Item #: HWIC-1DSU-56K4-RF
                  In Stock: 1
                  Price: $463.940
                  MSRP: $600.000
                  Price: $463.940
                  MSRP: $600.000
                  Add to Cart
                  Cisco TelePresence ISDN Link, encrypted version
                  Cisco Systems - Cisco TelePresence ISDN Link, encrypted version
                  ISDN terminal adapter - 1920 Kbps - refurbished
                  Item #: CTS-ISDNLINK-K9-RF
                  In Stock: 0
                  Price: $1,238.710
                  MSRP: $1,194.000
                  Price: $1,238.710
                  MSRP: $1,194.000
                  Add to Cart
                  Cisco Channelized T1/E1 and ISDN PRI Network Module
                  Cisco Systems - Cisco Channelized T1/E1 and ISDN PRI Network Module
                  ISDN terminal adapter - expansion slot - ISDN PRI - 2.048 Mbps - T-1/E-1 - digital ports: 8 (128 channels) - refurbished - for Cisco 3825, 3825 V3PN, 3845, 3845 V3PN, 3925, 3945
                  Item #: NM-8CE1T1-PRI-RF
                  In Stock: 1
                  Price: $5,373.590
                  MSRP: $6,960.000
                  Price: $5,373.590
                  MSRP: $6,960.000
                  Add to Cart
                  HP
                  HP Inc. - HP
                  ISDN terminal adapter - Smart Interface Card (SIC) - ISDN PRI E1 - E1/CE1 - remarketed
                  Item #: JG604AR
                  In Stock: 1
                  Price: $769.010
                  MSRP: $671.000
                  Price: $769.010
                  MSRP: $671.000
                  Add to Cart
                  HPE
                  Hewlett Packard Enterprise - HPE
                  ISDN terminal adapter - Half Height Multifunction Interface Module (HMIM) - ISDN PRI E1/CE1/T1/CT1 - E1/CE1/T1/CT1/PRI - digital ports: 8 - for HPE MSR4060, MSR4080
                  Item #: JH169A
                  In Stock: 0
                  Price: $6,103.940
                  MSRP: $4,725.000
                  Price: $6,103.940
                  MSRP: $4,725.000
                  Add to Cart
                  Digium 1TE236BF
                  Digium - Digium 1TE236BF
                  ISDN terminal adapter - PCI - ISDN PRI E1/T1/J1 - T-1/E-1/J-1 - digital ports: 2
                  Item #: 1TE236BF
                  In Stock: 0
                  Price: $1,456.880
                  MSRP: $1,295.000
                  Price: $1,456.880
                  MSRP: $1,295.000
                  Add to Cart
                  Digium 1TE436F
                  Digium - Digium 1TE436F
                  ISDN terminal adapter - PCI - ISDN PRI E1/T1/J1 - T-1/E-1/J-1 - digital ports: 4
                  Item #: 1TE436F
                  In Stock: 0
                  Price: $1,479.380
                  MSRP: $1,315.000
                  Price: $1,479.380
                  MSRP: $1,315.000
                  Add to Cart
                  Digium 1TE436BF
                  Digium - Digium 1TE436BF
                  ISDN terminal adapter - PCI - ISDN PRI E1/T1/J1 - T-1/E-1/J-1 - digital ports: 4
                  Item #: 1TE436BF
                  In Stock: 0
                  Price: $2,379.380
                  MSRP: $2,115.000
                  Price: $2,379.380
                  MSRP: $2,115.000
                  Add to Cart
                  Digium TE235F
                  Digium - Digium TE235F
                  ISDN terminal adapter - PCIe x1 - ISDN PRI E1/T1/J1 - T-1/E-1/J-1 - digital ports: 2
                  Item #: 1TE235F
                  In Stock: 0
                  Price: $1,350.000
                  MSRP: $775.000
                  Price: $1,350.000
                  MSRP: $775.000
                  Add to Cart
                  Digium 1TE236F
                  Digium - Digium 1TE236F
                  ISDN terminal adapter - PCI - ISDN PRI E1/T1/J1 - T-1/E-1/J-1 - digital ports: 2
                  Item #: 1TE236F
                  In Stock: 0
                  Price: $871.880
                  MSRP: $775.000
                  Price: $871.880
                  MSRP: $775.000
                  Add to Cart
                  Digium TE134
                  Digium - Digium TE134
                  ISDN terminal adapter - PCI - ISDN PRI E1/T1/J1 - T-1/E-1/J-1
                  Item #: 1TE134F
                  In Stock: 0
                  Price: $821.250
                  MSRP: $730.000
                  Price: $821.250
                  MSRP: $730.000
                  Add to Cart
                  Digium TE132
                  Digium - Digium TE132
                  ISDN terminal adapter - PCI - ISDN PRI E1/T1/J1 - T-1/E-1/J-1
                  Item #: 1TE132F
                  In Stock: 0
                  Price: $556.880
                  MSRP: $495.000
                  Price: $556.880
                  MSRP: $495.000
                  Add to Cart
                  3Com Multi-function Interface Module
                  3Com - 3Com Multi-function Interface Module
                  DSU/CSU - ISDN PRI - 1.544 Mbps - T-1 - digital ports: 2 - HDLC, Frame Relay, PPP - for Router 5231, 5640, 5680
                  Item #: 3C13769
                  In Stock: 0
                  Price: $1.250
                  MSRP: $1,895.000
                  Price: $1.250
                  MSRP: $1,895.000
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                  3Com Smart Interface Card
                  3Com - 3Com Smart Interface Card
                  DSU/CSU - 2 Mbps - fractional E-1 - HDLC, PPP - for Router 5009
                  Item #: 3C13722
                  In Stock: 0
                  Price: $1.250
                  MSRP: $699.000
                  Price: $1.250
                  MSRP: $699.000
                  Add to Cart
                  Cisco Dial Feature Card
                  Cisco Systems - Cisco Dial Feature Card
                  ISDN terminal adapter - ISDN PRI T1 - 1.544 Mbps - T-1 - digital ports: 8 - refurbished - for Universal Gateway AS5350XM
                  Item #: AS535-DFC-8CT1-RF
                  In Stock: 1
                  Price: $3,249.840
                  MSRP: $4,224.000
                  Price: $3,249.840
                  MSRP: $4,224.000
                  Add to Cart
                  Cisco
                  Cisco Systems - Cisco
                  DSU/CSU - 1.544 Mbps - digital ports: 14 - refurbished - for ONS 15454
                  Item #: 15454-WW-14-RF
                  In Stock: 1
                  Price: $228.500
                  MSRP: $297.000
                  Price: $228.500
                  MSRP: $297.000
                  Add to Cart
                  3Com Smart Interface Card
                  3Com - 3Com Smart Interface Card
                  DSU/CSU - 1.544 Mbps - fractional T-1 - HDLC, PPP - for Router 5009
                  Item #: 3C13720
                  In Stock: 0
                  Price: $1.250
                  MSRP: N/A
                  Price: $1.250
                  MSRP: N/A
                  Add to Cart
                  Digium TE820
                  Digium - Digium TE820
                  ISDN terminal adapter - PCIe - ISDN PRI E1/T1/J1 - T-1/E-1/J-1 - digital ports: 8 - with 128ms Hardware Echo Cancellation Module
                  Item #: 1TE820BF
                  In Stock: 0
                  Price: $3,700.130
                  MSRP: $2,990.000
                  Price: $3,700.130
                  MSRP: $2,990.000
                  Add to Cart
                  Cisco Dial Feature Card Universal Port
                  Cisco Systems - Cisco Dial Feature Card Universal Port
                  ISDN terminal adapter - ISDN PRI E1 - 2.048 Mbps - E-1 - digital ports: 4 (60 channels) - for Universal Gateway AS5350
                  Item #: AS535-4E1-60NP=
                  In Stock: 0
                  Price: $1,263.300
                  MSRP: $1,395.000
                  Price: $1,263.300
                  MSRP: $1,395.000
                  Add to Cart
                  Cisco
                  Cisco Systems - Cisco
                  ISDN terminal adapter - ISDN PRI - 2.048 Mbps - T-1/E-1 - digital ports: 8 - refurbished - for Cisco 7200, 7202, 7204, 7204 VXR, 7206, 7206 VXR, 7206VXR VPN Bundle, 7400, 7401
                  Item #: PA-MC-8TE1+-RF
                  In Stock: 1
                  Price: $5,354.850
                  MSRP: $6,960.000
                  Price: $5,354.850
                  MSRP: $6,960.000
                  Add to Cart
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