随着成本效益的要求，客户要求使用40km的光模块使用在当前的升级要求。
| DWDM Dual fiber solution from HTF 80km 20db Loss, use 40km optical module |
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| Line | Product | Model | Specification | A (pcs) | B(pcs) | Sub Total (pcs) |
| 1 | Chassis | HT6000-CH08 | 2U,19ich, 7 business slots + 1 network management slot, Dual power AC or DC-48V optional | 1 | 1 | 2 |
| 2 | Mux/ Demux | AAWG40 | 40CH passive MUX DEMUX card | 2 | 2 | 4 |
| 3 | EDFA | PA16/G25-1510 | Power amplifier card, Maximum output 16dBm, gain 25dB,with 1510nm OSC | 1 | 1 | |
| 4 | PA16/G25-1510 | Pre-amplifier card, Maximum output 16dBm, gain 25dB,with 1510nm OSC | 1 | 1 | ||
| 5 | Optical Module | DWDM-SFP-10G-40 | SFP+ 10G DWDM 40km ( C21~C60 ) | 40 | 40 | 80 |
| 6 | DCM | DCM60 | Dispersion compensator, compensates 60km | 1 | 1 | 2 |
| 7 | NMS | NMS | Network management card, 2xSFP +4xLAN+CLI | 1 | 1 | 2 |
