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TP-Link NT TL-SM321A 100Base-BX
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TP-Link
TP-Link NT TL-SM321A 100Base-BX
  • Brand: TP-LINK
  • Series: Data Networking
  • Model #: TL-SM321A
TP-Link Compatible 1000BASE-SX TL-SM311LM SFP MiniGBIC Module Multi-mode Fiber
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  •  
  • $17.90 
  • Free Shipping
Direct from Keystron, LLC Direct from Keystron, LLC
  • $16.47 - $17.90
TP-Link TL-SM321B-2 1000Base-BX WDM Bi-Directional SFP Module
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TP-Link
TP-Link TL-SM321B-2 1000Base-BX WDM Bi-Directional SFP Module
  • Specifications: HARDWARE FEATURES DDM: Yes SFP-MSA: Yes Hot Swappable: Yes MEDIA CONVERTER & MODULE Standards and Protocols: IEEE 802.3z, TCP/IP Wave Length: TX 1310 nm, RX 1550 nm Power Supply: 3.3 V Safety & Emission: FCC, CE Cabel: Single-Mode Fiber Fiber Type: 9/125 µm Single-Mode Max. Cable Length: 2 KM Data Rate: 1.25 Gbps Port Type: LC Simplex Environment: - Operating Temperature: 0-70 °C (32-158 °F) - Storage Temperature: -40-85 °C ( -40-185 °F) - Operating Humidity: 10-90% RH, Non-Condensing - Storage Humidity: 5-90% RH, Non-Condensing
  • Features: Designed for on-site gigabit fiber communication Up to 2 km transmission distance with 9/125 µm SMF (Single-Mode Fiber) Bidirectional WDM communication on a single fiber Compatible with Small Form Pluggable Multi-Source Agreement (SFP-MSA) Supports Digital Diagnostic Monitoring (DDM) Hot-swappable module desi...
  • Model #: TL-SM321B-2
Yealink SIP-T28P Executive IP Phone w/POE
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Yealink SIP-T28P Executive IP Phone w/POE
  • Brand: Yealink
  • Type: Wired VoIP
  • Security: HTTPS (server/client) SRTP (RFC3711) Transport Layer Security (TLS) VLAN (802.1 pq), QoS Digest authentication using MD5/MD5-sess Secure configuration file via AES encryption Phone lock for personal privacy protection Admin/user configuration mode
  • Ports: 1xRJ9 (4P4C) handset port, 1xRJ9 (4P4C) headset port, 2xRJ45 10/100M Ethernet ports, 1xRJ12 (6P6C) expansion module port
  • Model #: YEA-SIP-T28P
TP-Link Compatible 1000BASE-LX TL-SM311LS SFP 1310nm 10km DOM Transceiver
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  •  
  • $18.51 
  • Free Shipping
Direct from Keystron, LLC Direct from Keystron, LLC
  • $17.03 - $18.51
StarTech.com SFP100BLXST 100BASE-LX SFP Transceiver Module - 100 Mbps - 10 km - MSA Compliant Fiber SFP
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StarTech.com SFP100BLXST 100BASE-LX SFP Transceiver Module - 100 Mbps - 10 km - MSA Compliant Fiber SFP
  • Device Type: Transceiver
  • Standards: IEEE 802.3u 100BASE-LX
  • Wavelength: 1310nm
  • Fiber Cable: Single-mode Optical Fiber
  • Model #: SFP100BLXST
TP-LINK 3 Meters 10G SFP+ Direct Attach Cable
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Yealink SIP- T31G Gigabit IP Phone with 2 Lines & HD voice
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Yealink SIP- T31G Gigabit IP Phone with 2 Lines & HD voice
  • Brand: Yealink
  • Part Number: SIP- T31G
  • Type: VoIP Phones
  • Security: NETWORK AND SECURITY SIP v1 (RFC2543), v2 (RFC3261) Call server redundancy supported NAT traversal: STUN mode Proxy mode and peer-to-peer SIP link mode IP assignment: static/DHCP HTTP/HTTPS web server Time and date synchronization using SNTP UDP/TCP/DNS-SRV (RFC 3263) QoS: 802.1p/Q tagging (VLAN), Layer 3 ToS DSCP SRTP for voice Transport Layer Security (TLS 1.3) HTTPS certificate manager AES encryption for configuration file (AES256) Digest authentication OpenVPN, IEEE802.1X, L2TP VPN IPv6 LLDP/CDP/DHCP VLAN ICE WPA2/WPA3 Secure boot GARP (Generic Attribute Registration Protocol)
  • Model #: SIP-T31G
1000BASE-BX MULTI-MODE SFP MODULE - TL-SM311LM
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TP-Link
1000BASE-BX MULTI-MODE SFP MODULE - TL-SM311LM
  • Humidity: 0.25
  • Weight: 0.25 lbs
  • Model #: SNXTL-SM311LM
  •  
  • $27.48 
  • Free Shipping
Yealink SIP- T31P Entry-level IP Phone with 2 Lines & HD voice
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Yealink SIP- T31P Entry-level IP Phone with 2 Lines & HD voice
  • Brand: Yealink
  • Part Number: SIP-T31P
  • Type: VoIP Phones
  • Security: NETWORK AND SECURITY SIP v1 (RFC2543), v2 (RFC3261) Call server redundancy supported NAT traversal: STUN mode Proxy mode and peer-to-peer SIP link mode IP assignment: static/DHCP HTTP/HTTPS web server Time and date synchronization using SNTP UDP/TCP/DNS-SRV (RFC 3263) QoS: 802.1p/Q tagging (VLAN), Layer 3 ToS DSCP SRTP for voice Transport Layer Security (TLS 1.3) HTTPS certificate manager AES encryption for configuration file (AES256) Digest authentication OpenVPN, IEEE802.1X, L2TP VPN IPv6 LLDP/CDP/DHCP VLAN ICE WPA2/WPA3 Secure boot GARP (Generic Attribute Registration Protocol)
  • Model #: SIP-T31P
YEALINK - MS SIP-T48S-SFB ULTRA-ELEGANT GIGABIT IP PHONE
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Open Box YEALINK - MS SIP-T48S-SFB ULTRA-ELEGANT GIGABIT IP PHONE
  • Brand: Yealink
  • Type: Others
  • Protocols: TCP/IP
  • Weight: 3.65
  • Model #: SIP-T48S-SFB
  •  
  • $299.99 
  • Free Shipping
Sangoma FreePBX Phone System 60
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Sangoma FreePBX Phone System 60
  • Model #: FPBX-PHS-0060
Jabra Speak 510 Portable Speakerphone with Built-in Echo Cancellation
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Refurbished Jabra Speak 510 Portable Speakerphone with Built-in Echo Cancellation
  • Brand: Jabra / GN Netcom
  • Type: Speakerphone
  • Model #: Speak 510-R
  •  
  • $89.95 
  • Free Shipping
Verizon Yealink SIP-T41P Ultra-Elegant 6 Line 2 Port Ethernet 10/100 PoE VoIP SIP Phone No External Power Supply
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  •  
  • $60.00 
  • Free Shipping
AXIOM MEMORY SOLUTIONS SFP-10G-LR-S-AX 10GBASE-LR SFP+ XCVR FOR SFP-10G-LR-S
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  •  
  • $253.74 
  • Free Shipping
Sangoma FreePBX Phone System 1200
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Sangoma FreePBX Phone System 1200
  • Model #: FPBX-PHS-1200
Sangoma FreePBX Phone System 40
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Sangoma FreePBX Phone System 40
  • Model #: FPBX-PHS-0040
  •  
  • $695.00 
  • Free Shipping
Jabra Speak 510 MS Speakerphone Optimized for Microsoft Skype for Business
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Refurbished Jabra Speak 510 MS Speakerphone Optimized for Microsoft Skype for Business
  • Brand: Jabra / GN Netcom
  • Type: Speakerphone
  • Model #: Speak 510 MS-R
  •  
  • $89.95 
  • Free Shipping
TRANSITION TN-GLC-LH-SM Small Form Factor Pluggable (SFP) Transceiver Module
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TRANSITION TN-GLC-LH-SM Small Form Factor Pluggable (SFP) Transceiver Module
  • Device Type: Transceiver
  • Network Media: Single-mode Fiber 1000Base-LX
  • Wavelength: 1310nm
  • Ports: 1 x LC 1000Base-LX
  • Model #: TN-GLC-LH-SM
TP-LINK Gigabit SFP Module, 1000Base-SX Multi-mode Fiber Mini GBIC Module, Plug and Play, LC/UPC Interface, Up to 550/220m Distance (TL-SM311LM)
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TP-LINK Gigabit SFP Module, 1000Base-SX Multi-mode Fiber Mini GBIC Module, Plug and Play, LC/UPC Interface, Up to 550/220m Distance (TL-SM311LM)
  • Standards: IEEE 802.3z
  • Wavelength: 850nm
  • Fiber Cable: 50/125um or 62.5/125um Multi-mode Fiber
  • Protocols: TCP/IP
  • Model #: TL-SM311LM
NEC SL2100 IP Phone - Cable - Desktop - Black
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NEC SL2100 IP Phone - Cable - Desktop - Black
  • Brand: NEC
  • Type: IP Phone
  • Model #: BE117451
Yealink SIP-T53W IP Corded/Cordless Wi-Fi Mountable Desktop Phone
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Yealink SIP-T53W IP Corded/Cordless Wi-Fi Mountable Desktop Phone
  • Brand: Yealink
  • Part Number: SIP-T53W
  • Type: VoIP Phones
  • Standards: Network standard: IEEE802.11a/b/g/n/ac
  • Model #: SIP-T53W
Yealink SIP-T44W - WI-Fi IP Phone - 12 VoIP Accounts. 2.8-Inch Color Display. Dual-Port Gigabit Ethernet, PoE, Power Adapter Not Included
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Yealink SIP-T44W - WI-Fi IP Phone - 12 VoIP Accounts. 2.8-Inch Color Display. Dual-Port Gigabit Ethernet, PoE, Power Adapter Not Included
  • Brand: Yealink
  • Part Number: SIP-T44W
  • Type: Corded
  • Security: NETWORK AND SECURITY SIP v1 (RFC2543), v2 (RFC3261) Call server redundancy supported NAT traversal: STUN mode Proxy mode and peer-to-peer SIP link mode IP assignment: static/DHCP HTTP/HTTPS web server Time and date synchronization using SNTP UDP/TCP/DNS-SRV(RFC 3263) QoS: 802.1p/Q tagging (VLAN), Layer 3 ToS DSCP SRTP for voice Transport Layer Security (TLS 1.3) HTTPS certificate manager AES encryption for configuration file (AES256) Digest authentication: MD5/SHA1/SHA224/-SHA256/SHA384/ SHA512 OpenVPN, IEEE802.1X, L2TP VPN IPv6 LLDP/CDP/DHCP VLAN ICE WPA2/WPA3 Secure boot GARP (Generic Attribute Registration Protocol)
  • Model #: SIP-T44W
Sangoma FreePBX Phone System 400
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Sangoma FreePBX Phone System 400
  • Model #: FPBX-PHS-0400