DS2282 - Dallas Semiconductor

DS2282 T1 FDL Controller/Monitor Stik

The DS2282 completely controls the Facility Data Link (FDL) as described in the Bellcore document TR– TSY–000194 (Extended Superframe Format Interface Specification – December 1987) and the ANSI document T1.403–1989 (Carrier to Carrier Installation – DS1 Metallic Interface). It also implements the protocol that is described in the AT&T publication TR 54016 (.

Features

PIN ASSIGNMENT
• Fully implements the FDL message format as described in the ANSI document T1.403
  –1989 described in AT&T TR 54016 (1986/89) VDD RLOS RCLK RPOS RNEG NC INT PRMXA DRVEN RXD TXD TLCLK SLIP PLB PAS UB1 UB2 UB3 UB4 B8ZS RST NC GND UB5 UB6 LLB PSEN TLINK NC NC 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30
• Fully implements the maintenance message protocol
• Provides high
  –level monitor counts, namely:
  – Errored Seconds
  – Severely Errored Seconds
  – Unavailable Seconds
• Important counts are stored in nonvolatile memory
• Works in conjunction wit.