D-Link DEM-CB100Q28 100G QSFP28 1 m Direct Attach Cable
PRODUCT DESCRIPTION
D-Link DEM-CB100Q28 100G Passive QSFP28 Direct Attach Stacking Cable, 1 m (DEM-CB100Q28) - 5 Years Local Warranty
100G Stacking for DXS-3610
The D-Link DEM-CB100Q28 is a 1 m passive QSFP28 direct attach cable carrying 100 Gbps between two QSFP28 ports. D-Link lists it for the DXS-3610-54S and DXS-3610-54T — use it for stacking or short 100G uplinks within a rack.
Built to the QSFP28 Standards
30 AWG conductors, 100 Ohm impedance and a 34.5 mm minimum bend radius, compliant with SFF-8436, SFF-8636 and SFF-8665, EIA-364 and EIA-364-1000.01, and UL 94. D-Link rates it for -40 to 75 °C operation.
Need help choosing? Email sales@sourceit.com.sg with your switch model and the ports you want to connect, and we will match the right cable for you.
D-Link DEM-CB100Q28 Datasheet — Technical Specifications
General
| Product Name | D-Link DEM-CB100Q28 100G Passive QSFP28 Direct Attach Stacking Cable, 1 m |
| Part Number | DEM-CB100Q28 |
| Series | 100G Passive QSFP28 Direct Attach Cable Series |
| Local Warranty (Singapore) | 5 years, supplied by SourceIT with a GST invoice |
Cable & Electrical
| Data Rate | 100 Gbps |
| Connector Type | QSFP28 cable assembly (QSFP28 to QSFP28) |
| Cable Length | 1 m (dlink.com product page) |
| Cable Type | Passive direct attach cable |
| Wire Gauge | 30 AWG |
| Minimum Cable Bend Radius | 34.5 mm (1.36 in) |
| Cable Characteristic Impedance | 100 Ohms |
| Voltage / Current | 30 V AC / 0.5 A |
| Operating Temperature | -40 to 75 °C (-40 to 167 °F) |
| Standards | SFF-8436, SFF-8636, SFF-8665; EIA-364, EIA-364-1000.01; UL 94 |
Dimensions and weight are not published by D-Link for this cable.
Compatibility & Software Support
Host Switches
D-Link lists the DEM-CB100Q28 for the DXS-3610-54S and DXS-3610-54T Layer 3 stackable 10G managed switches (dlink.com product page).
Software
Direct attach cables need no configuration or licence — the host switch detects the cable when it is plugged in.
Package Contents & D-Link Direct Attach Cable Ordering Information
D-Link Direct Attach Cables
| Model | Connectors | Rate | Length |
| DEM-CB100S | SFP+ to SFP+ | 10 Gbps | 1 m |
| DEM-CB300S | SFP+ to SFP+ | 10 Gbps | 3 m |
| DEM-CB700S | SFP+ to SFP+ | 10 Gbps | 7 m |
| DEM-CB100QXS | QSFP+ to QSFP+ | 40 Gbps | 1 m |
| DEM-CB300QXS | QSFP+ to QSFP+ | 40 Gbps | 3 m |
| DEM-CB100QXS-4XS | QSFP+ to 4 x SFP+ breakout | 40 Gbps (4 x 10G) | 1 m |
| DEM-CB100Q28 (this listing) | QSFP28 to QSFP28 | 100 Gbps | 1 m |
| DEM-CB100Q28-4S28 | QSFP28 to 4 x 25G SFP28 breakout | 100 Gbps (4 x 25G) | Not stated in datasheet |
| DEM-CB50CXP | CXP to CXP (stacking) | 120 Gbps (12 x 10G) | 0.5 m |
Package contents are not listed in D-Link's datasheet — ask us if you need confirmation of what is in the box.
Datasheet & Downloads
| D-Link datasheet | 100G Passive QSFP28 Direct Attach Cable Series A1 Datasheet v1.00 WW (PDF) |
| D-Link product page | DEM-CB100Q28 on dlink.com |
Need a PDF sent directly? Email sales@sourceit.com.sg quoting DEM-CB100Q28.
Frequently Asked Questions — D-Link DEM-CB100Q28
Which switches is it for?
The DXS-3610-54S and DXS-3610-54T, per D-Link.
What warranty do I get?
5 years local warranty in Singapore, supplied by SourceIT with a GST invoice.
