FTOA-8H-OA-Pxx-xx 800G OSFP112 Passive Direct Attach Copper Twinax Cable (DAC) 高速铜缆 是 F-tone Networks(北亿纤通)面向 800G BASE Ethernet / 800G 数据中心 / AI/ML / HPC / 5G 核心网 / Cloud Server / 高速存储等场景推出的OSFP112 封装 800G 无源直连铜缆(DAC)。QSFP112 是基于现有 OSFP 的模块和笼式连接器系统,目标在 8 通道 OSFP 系统中支持 112Gb/s 每通道速度,并启用 QSFP 800G 互联生态系统。两端均为 OSFP112 Finned Top 散热顶连接器,8 通道 112Gb/s PAM4 调制(800G BASE Ethernet 总带宽),0.5/1/1.5/2/3 米 5 长度可选,30/28/26 AWG 高速铜缆,低串扰 / 低功耗,支持热插拔,支持 I²C 二线串行接口,0~+70°C 工作温度,符合 SFF-8636 / OSFP MSA / IEEE 802.3ck 标准,ROHS 合规。本产品将帮助现有 OSFP 用户以更低成本、更短过渡时间将链路带宽升级到每端口 800G。
产品系列 (Product Family)
FTOA-8H-OA-Pxx-xx — 800G OSFP112 Passive Direct Attach Copper Twinax Cable
主要特性 (Product Features)
- 800G OSFP112 Passive Direct Attach Copper Twinax Cable — 无源直连铜缆(DAC)
- QSFP112 模块 & 笼式连接器系统 — 基于现有 OSFP,支持 8 通道 112Gb/s 速率
- 8 通道 112Gb/s PAM4 调制 — 每通道 112Gb/s 高速电信号
- 800G BASE Ethernet 总带宽 — 启用 QSFP 800G 互联生态系统
- 产品符合 SFF-8636 / OSFP MSA — 标准 OSFP 引脚与协议
- 以太网符合 IEEE 802.3ck — 800G 以太网标准
- 支持 I²C 二线串行接口 — 易于控制与监控
- 支持热插拔 (Hot plugging) — 在线维护与升级
- 低串扰 / 低功耗 — 优异的信号完整性能
- 最大链路长度 2m (产品特性) / 实际支持 3m (订购信息) — 兼容 OSFP_Specification_Rev5_0 5.0
- 5 长度可选 (0.5/1/1.5/2/3 米) — 覆盖机柜内/机柜间短距
- 3 种线规 (30/28/26 AWG) — 按长度选用最优线规
- 两端均为 OSFP112 Finned Top — 散热顶连接器,无需散热片
- 100Ω 差分阻抗 — 标准高速差分信号
- 差模插入损耗 ≥ -19.75 dB @ 26.56 GHz — 超低损耗
- 近端串音 (MDNEXT) ≥ 35 dB @ 26.5 GHz — 优异的抗串扰性能
- 对内延时差 10 ps/m — 低 skew,适合 800G PAM4
- 差模转共模转换损耗 / 差模转共模回波损耗 — 完整 SI 测试项
- 插头保持力 125 N Min. — 机械强度高
- 线缆保持力 90 N Min. — 抗拉性能优异
- 插入力 40N / 拔出力 30N — 易于插拔
- 机械寿命 50 cycles — 长期使用可靠性
- 工作温度 0~+70°C — 商业级温度范围
- 储存温度 -40~+80°C — 满足存储与运输
- ROHS 合规 — 绿色环保
- F-tone Networks 自研 — 北亿纤通自研产品
应用场景 (Applications)
- 800G BASE Ethernet — 800G 以太网交换机/路由器互联
- SWITCH / Router — 800G 核心层、汇聚层交换机
- Data storage and communication industry — 数据存储与通信行业
- Data center, cloud server — 数据中心、云服务器高速互联
- AI/ML 集群 — 大模型训练 / 推理服务器 800G 互联
- HPC 高性能计算 — 超级计算机算力网络
- GPU Server / GPU Cluster — GPU 服务器与集群
- Hyperscale Data Center — 超大规模数据中心
- Spine-Leaf 数据中心架构 — 叶脊交换短距互联
- ToR (Top of Rack) / EoR (End of Row) — 机柜顶/行末部署
- 800G Switch/ToR to Leaf/Spine 互联 — 机柜内/机柜间短距
- OSFP 升级路径 — 帮助现有 OSFP 用户以更低成本、更短过渡时间升级到 800G
6 长度型号对照 (6 Length Options)
| Part Number | Product Description | 长度 / Length | 线规 / AWG | 温度 / Temp. |
|---|---|---|---|---|
| FTOA-8H-OA-PA5-A | OSFP112 to OSFP112, 800G, Passive Cable | 0.5 m | 30 AWG | 0~+70°C |
| FTOA-8H-OA-P01-A | OSFP112 to OSFP112, 800G, Passive Cable | 1.0 m | 30 AWG | 0~+70°C |
| FTOA-8H-OA-P015-B | OSFP112 to OSFP112, 800G, Passive Cable | 1.5 m | 28 AWG | 0~+70°C |
| FTOA-8H-OA-P02-B | OSFP112 to OSFP112, 800G, Passive Cable | 2.0 m | 28 AWG | 0~+70°C |
| FTOA-8H-OA-P02-C | OSFP112 to OSFP112, 800G, Passive Cable | 2.0 m | 26 AWG | 0~+70°C |
| FTOA-8H-OA-P03-C | OSFP112 to OSFP112, 800G, Passive Cable | 3.0 m | 26 AWG | 0~+70°C |
💡 选型提示:“A”线规为 30 AWG(更细、更柔韧,适用于 0.5m/1m 短距);”B”线规为 28 AWG(1.5m/2m);”C”线规为 26 AWG(2m/3m,更粗、信号完整性更好)。2 米有 28 AWG (P02-B) 和 26 AWG (P02-C) 两种选择,根据通道密度灵活选用。
外形图 (Outline Drawing)

图 1:OSFP112 DAC 外形图 — 左侧 P1 端面视图 (4 个结构位置标识: 1/30/31/60)、中间正视总装图 (产品总长度 L,两端硬质模块主体 + 柔性线缆)、右侧 P2 端面视图 (镜像 P1 端面)。
接线图 (Wiring Diagram)

图 2:OSFP112 60-pin 双向接线映射 — 表 1: P1 1~30 引脚 ↔ P2 31~60 引脚映射 (TX↔RX 交叉, GND↔GND 直连, VCC↔VCC 直连);表 2: P1 31~60 引脚 ↔ P2 1~30 引脚映射 (镜像对称)。完整 8 对高速差分对交叉互联。
脚位图 (Pinout)

图 3:60-pin OSFP112 模块卡金手指引脚定义 — 左侧顶面视角 (引脚 31~60),右侧底面视角 (引脚 1~30)。颜色: 绿色=GND, 粉色=TX 差分, 蓝色=RX 差分, 紫色=控制信号, 橙色=VCC 供电。差分信号成对相邻排布,GND 每 2 个信号引脚间隔,供电与控制类引脚集中在中间区域。
信号完整性 (Signal Integrity)
| 项目 (Item) | 子项 (Sub-Item) | 要求 (Requirement) | 测试条件 (Test Condition) |
|---|---|---|---|
| 差模阻抗 (Differential Impedance) | Cable Impedance | 100 ± 5 Ω | Rise time of 25ps (20%-80%) |
| 差模阻抗 (Differential Impedance) | Paddle Card Impedance | 100 ± 10 Ω | Rise time of 25ps (20%-80%) |
| 差模阻抗 (Differential Impedance) | Cable Termination Impedance | 100 ± 10 Ω | Rise time of 25ps (20%-80%) |
| 差模回波损耗 SDD11/SDD22 | — | Return_loss(f) ≥ {公式} | 10 MHz ≤ f ≤ 40 GHz |
| 差模转共模回波损耗 SCD11/SCD22 | — | Return_loss(f) ≥ {公式} | 50 MHz ≤ f ≤ 40 GHz |
| 共模回波损耗 SCC11/SCC22 | — | Return_loss(f) ≥ 1.8 dB, 0.05 ≤ f ≤ 40 | 50 MHz ≤ f ≤ 40 GHz |
| 差模插入损耗 SDD21 (Max.) | — | Differential InsertionLoss Max. | 50 MHz ≤ f ≤ 40 GHz |
| 差模插入损耗 SDD21 (Max.) | — | Insertion_loss(f) ≥ -19.75 dB, 0.05 ≤ f ≤ 26.56 | 50 MHz ≤ f ≤ 40 GHz |
| 插入损耗偏差 (Insertion Loss Deviation) | — | -0.176·f – 0.7 ≤ ILD ≤ 0.176·f + 0.7 | 50 MHz ≤ f ≤ 26.56 GHz |
| 差模转共模转换损耗 (SCD21-SDD21) | — | Conversion_loss(f) – IL(f) ≥ {公式} | 50 MHz ≤ f ≤ 40 GHz |
| 近端串音 MDNEXT | — | ≥ 35 dB @ 26.5 GHz | 10 MHz ≤ f ≤ 26.5 GHz |
| 对内延时差 (Intra Skew) | — | 10 ps/m | 10 MHz ≤ f ≤ 26.5 GHz |
💡 Notes:所有 SI 测试均参考 IEEE 802.3ck 800G 标准。差模阻抗 100Ω (Cable 100±5Ω, Paddle Card/Cable Termination 100±10Ω) 是 800G PAM4 高速信号的基础。差模插入损耗 ≥ -19.75 dB @ 26.56 GHz,保证 112 Gb/s PAM4 信号完整性。
其他电气性能 (Other Electrical Performance)
| 项目 (Item) | 要求 (Requirement) | 测试条件 (Test Condition) |
|---|---|---|
| 低功率接触阻抗 (Low Level Contact Resistance) | 70 mΩ Max. (从初始值) | EIA-364-23: 20mV / 100mA |
| 绝缘阻抗 (Insulation Resistance) | 10 MΩ Min. | EIA-364-21: AC 300V 1 minute |
| 耐电压 (Dielectric Withstanding Voltage) | 无破坏性放电 | EIA-364-20: 300 VDC 1 min, 相邻端子间 / 与地间 |
环境性能 (Environment Performance)
| 项目 (Item) | 要求 (Requirement) | 测试条件 (Test Condition) |
|---|---|---|
| 工作温度 (Operating Temp. Range) | 0°C ~ +70°C | Cable operating temperature range |
| 储存温度 (Storage Temp. Range, packed) | -40°C ~ +80°C | Cable storage temperature range in packed condition |
| 热循环 (Thermal Cycling Non-Powered) | No evidence of physical damage | EIA-364-32D, Method A, -25 ~ 90°C, 100 cycles, 15 min dwells |
| 盐雾测试 (Salt Spraying) | 48 hours salt spraying, shell corrosive area < 5% | EIA-364-26 |
| 混合气体测试 (Mixed Flowing Gas) | Pass electrical tests per 3.1 after stressing (connector only) | EIA-364-35 Class II, 14 days |
| 温度寿命 (Temp. Life) | No evidence of physical damage | EIA-364-17C w/ RH, Damp heat 90°C at 85% RH for 500 hours then return to ambient |
| 冷弯测试 (Cable Cold Bend) | 4H, No evidence of physical damage | -20°C ± 2°C, mandrel diameter = 6 × cable diameter |
机械和物理特性 (Mechanical and Physical Characteristics)
| 项目 (Item) | 要求 (Requirement) | 测试条件 (Test Condition) |
|---|---|---|
| 机械振动 (Vibration) | Pass electrical tests per 3.1 after stressing | Clamp & vibrate per EIA-364-28E, TC-VII, test condition letter – D, 15 min in X, Y & Z axis |
| 弯曲测试 (Cable Flex) | No evidence of physical damage | Flex cable 180° for 20 cycles (±90° from nominal) at 12 cycles/min with 1.0 kg load. Flex in boot area 90° each direction. Per EIA-364-41C |
| 插头保持力 (Cable Plug Retention in Cage) | 125 N Min., No evidence of physical damage | No functional damage to module/connector/cage with latching mechanism activated. Per OSFP_Specification_Rev5_0 5.0 |
| 线缆保持力 (Cable Retention in Plug) | 90 N Min., No evidence of physical damage | Cable plug fixtured with bulk cable hanging vertically. 90 N axial load applied (gradually) for 1 minute. Per EIA-364-38B |
| 机械冲击 (Mechanical Shock) | Pass electrical tests per 3.1 after stressing | Clamp and shock per EIA-364-27B, TC-G, 3 times in 6 directions, 100g, 6ms |
| 插入力 (Cable Plug Insertion) | 40 N Max. (55 N) | Per OSFP_Specification_Rev5_0 5.0, Module to be inserted into connector and cage with latch mechanism engaged (55N if cage has riding heatsink) |
| 拔出力 (Cable plug Extraction) | 30 N Max. (45 N) | Per OSFP_Specification_Rev5_0 5.0, Module to be removed from connector and cage with latching mechanism disengaged (45N if cage has riding heatsink) |
| 机械寿命 (Durability) | 50 cycles, No evidence of physical damage | Per OSFP_Specification_Rev5_0 5.0, Number of cycles for an individual module, to be tested with cage, connector, and module; latches may be locked out during testing |
订购信息 (Ordering Information)
| Part Number | Product Description | 长度 / Length | 线规 / AWG | 温度 / Temp. |
|---|---|---|---|---|
| FTOA-8H-OA-PA5-A | OSFP112 to OSFP112, 800G, Passive Cable | 0.5 m | 30 AWG | 0~+70°C |
| FTOA-8H-OA-P01-A | OSFP112 to OSFP112, 800G, Passive Cable | 1.0 m | 30 AWG | 0~+70°C |
| FTOA-8H-OA-P015-B | OSFP112 to OSFP112, 800G, Passive Cable | 1.5 m | 28 AWG | 0~+70°C |
| FTOA-8H-OA-P02-B | OSFP112 to OSFP112, 800G, Passive Cable | 2.0 m | 28 AWG | 0~+70°C |
| FTOA-8H-OA-P02-C | OSFP112 to OSFP112, 800G, Passive Cable | 2.0 m | 26 AWG | 0~+70°C |
| FTOA-8H-OA-P03-C | OSFP112 to OSFP112, 800G, Passive Cable | 3.0 m | 26 AWG | 0~+70°C |
使用与维护 (Handling & Maintenance)
- ESD 防护:本产品为静电敏感器件,使用时请佩戴防静电手环、接地。
- 插拔力:插入力 ≤ 40N (带 riding heatsink 时 ≤ 55N),拔出力 ≤ 30N (带 riding heatsink 时 ≤ 45N),禁止过度用力。
- 卡扣强度:卡扣可承受 125N 拉力,保证可靠插接。
- 线缆抗拉:Bulk Cable 抗拉力 ≥ 90N,布线时注意应力释放。
- 线缆弯曲:弯曲测试 180° / 20 cycles / 12 cycles/min / 1.0kg load,冷弯测试 -20°C ± 2°C,满足 EIA-364-41C 标准。
- 热插拔:支持热插拔,I²C 二线串行接口 实时监控模块状态。
- 长度选择:0.5m/1m 用 30 AWG(更柔韧),1.5m/2m 用 28 AWG,2m/3m 用 26 AWG(更粗、信号完整性更好)。
- 应用场景:仅适用于机柜内/机柜间短距 (≤ 3 米) 互联,不可用于跨机房或长距离。
- 温度范围:工作温度 0~+70°C,储存温度 -40~+80°C。
- 合规:符合 SFF-8636 / OSFP MSA / IEEE 802.3ck 标准,ROHS 合规。
关于 F-tone Networks 北亿纤通
公司联系信息 (Company Information)
公司名称:北亿纤通 | F-tone Networks
所在地区:中国四川天府新区
服务区域:全球
企业电话:028-85255257
企业传真:028-85977702
企业手机:19081343401
官方网站:https://www.f-tone.com/
人事部:hr@f-tone.com
市场部:sales@f-tone.com
技术支持:support@f-tone.com
本产品为【FTOA-8H-OA-Pxx-xx 800G OSFP112 Passive Direct Attach Copper Twinax Cable (DAC) 高速铜缆 (0.5/1/1.5/2/3 米 30/28/26 AWG IEEE 802.3ck)】产品线,详细信息,请联系我们的销售人员,谢谢!
Important Notice
Performance figures, data and any illustrative material provided in this data sheet are typical and must be specifically confirmed in writing by F-tone Networks before they become applicable to any particular order or contract. In accordance with the F-tone Networks policy of continuous improvement specifications may change without notice.
The publication of information in this data sheet does not imply freedom from patent or other protective rights of F-tone Networks or others. Further details are available from any F-tone Networks sales representative.
