| Board Specification | - Full-size PCIe board (12.25” x 3.88”)
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| Host Bus Interface | - Supports PCI Express r1.0a (single channel)
- 32-bit burst DMA
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| Network Interfaces | - 16 T1/J1 or E1 receive interfaces (software switchable)
- 75 Ohm, 100/120 Ohm, 300 ohm, and High-z termination, monitor amplifier
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| H.100 Interface | - 32 x 2, 4, or 8 Mbit/s board-to-board highways
- 256 duplex channels switchable between adapters, 1024 channels switchable locally
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| DSP Resources (with optional ASM daughterboard) | - PIST-55x4-ASM: 4 x TI TMS320VC5510 (400 MIPS) with 16MB SDRAM each
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| HDLC Resources | - 1 HDLC channel per access port
- ASM modules offer additional HDLC channels with support for super- and sub-channels
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| T1/E1/J1 Frame Formats | - Doubleframe, CRC Multiframe (E1 mode)
- F4, SF (or D4), ESF (or F24), SLC96 (T1/J1 mode)
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| T1/E1/J1 Line Codes | - HDB3, B8ZS, AMI, AMI with ZCS
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| T1/E1/J1 Signaling Types | - Channel associated (robbed bit)
- Common channel
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| Clocking Sources | - On-board oscillator (50ppm), and high-stability (0.5ppm) oscillator available as an option
- Incoming T1/E1/J1
- H.100 clock
- External clock
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| Connector | - 50-pin Centronix, 3-foot cable to harmonica with eight RJ45/RJ48C connectors for E1/T1/J1, and RJ11 connectors for handsets
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| Testing Features | - Full access to F, Y, Si, and Sa bits in E1 mode
- Full access to FS/DL-bits in T1 mode (including support for the DL-channel protocol according to T1.403-1989 ANSI or to AT&T TR54016 specification), and programmable line build-out in T1/J1 mode
- Alarm detection
- Frequency and voltage measurement
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| Power Requirements / Environmental Data | - Power consumption: 4.4W
- Temperature: operating, 0° C to +50° C; non-operating, -40° C to +60° C
- Humidity: operating, 5% to 80% RH (%relative humidity) at up to +30° C, and 5% to 30% RH above +30° C up to +50° C non-condensing; non-operating, 5% to 80% RH at up to +30° C, and 5% to 30% RH above +30° C up to +50° C non-condensing
- Altitude: operating, up to 4,600 meters (15,333 feet); non-operating, up to 12,192 meters (50,000 feet)
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