HDX Quad BRI 模块
备注：已经停产，可以维修和续保服务。
升级代替产品：无
POLYCOM 的QBRI模块，配合ISDN 线路，为用户提供更多的视频会议线路应用。
| 英文说明 | 产品系列号 | 产品名称 | 保修时间 |
| Quad BRI Module for HDX Series. Includes four ISDN 20ft/6m cables (with clear connectors) and HDX external peripheral interface box. | 2215-26690-001 | Quad BRI 模块. 包括四根 6m ISDN 线缆 | 1 |
| PRI T1 Module for HDX Series. Includes one 20ft/6m PRI cable (with clear connector) and HDX external peripheral interface box. | 2215-26694-001 | T1/PRI 模块: 包含 1根 6米 PRI 线缆. | 1 |
| PRI E1 Module for HDX Series. Includes one 20ft/6m PRI cable (with clear connector) and HDX external peripheral interface box. | 2215-26695-001 | E1/PRI 模块: 包含 1根 6米 PRI 线缆. | 1 |
| V.35 Module for HDX series (RS449, RS350 with RS366 dialing). Includes HD68-DB40 adapter and HDX external peripheral interface box. (Serial interface cable ordered separately) | 2215-26696-001 | V.35模块 包括HD68-DB40适配器 | 1 |
