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Built-in motherboard card
Simulated Relay · BRI · E1 Subcard
IP Office Hardware· Product Details Page

Product Overview
IP Office 500 v2 onboard cards support analog trunks, ISDN BRI, and E1 trunks. Select the appropriate daughter card based on your current network line type.
Key Features
- Select Subcard by Relay Type
- E1 channel license supports software expansion
- Supports caller ID
- Plug-and-play with 500 v2 Control Unit
Technical Specifications (6Item
- 4-channel analog trunk subcard
- Provides 4 analog loop trunk interfaces with caller ID support.
- 2-channel BRI subcard
- Provide 2 ISDN 2B+D trunk interfaces
- 4-channel BRI subcard
- Provide 4 ISDN 2B+D trunk interfaces
- Single E1 Subcard
- 1 E1 interfaces with 8 channels licensed, expandable to 30 channels.
- Dual E1 Subcard
- 2 E1 interfaces, expandable to 2 × 30 channels
- Signaling Permission
- Supports both China No. 1 signaling and PRI signaling.