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DS2282 Datasheet

  • DS2282

  • T1 FDL Controller/Monitor Stik

  • 196.35KB

  • 22頁

  • DALLAS   DALLAS

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DS2282
DS2282
T1 FDL Controller/Monitor Stik
FEATURES
PIN ASSIGNMENT
鈥?/div>
Fully
implements the FDL message format as de-
scribed in the ANSI document T1.403鈥?989
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
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鈥?/div>
Fully implements the maintenance message protocol
鈥?/div>
Provides high鈥搇evel monitor counts, namely:
鈥?Errored Seconds
鈥?Severely Errored Seconds
鈥?Unavailable Seconds
鈥?/div>
Important counts are stored in nonvolatile memory
鈥?/div>
Works in conjunction with the DS2283 Enhanced T1
Line Card Stik or DS2180A T1 Transceiver
鈥?/div>
Simple
serial port used to retrieve information and
control operation
鈥?/div>
Can be used without an external controller
鈥?/div>
Connects to a standard 30鈥損in Single In鈥揕ine con-
nector
鈥?/div>
Single +5V supply
(actual size)
DESCRIPTION
The DS2282 completely controls the Facility Data Link
(FDL) as described in the Bellcore document TR鈥?/div>
TSY鈥?00194 (Extended Superframe Format Interface
Specification 鈥?December 1987) and the ANSI docu-
ment T1.403鈥?989 (Carrier to Carrier Installation 鈥?DS1
Metallic Interface). It also implements the protocol that
is described in the AT&T publication TR 54016 (Re-
quirements for Interfacing DTE to Services Employing
ESF 鈥?1986/89). In addition it provides a number of im-
portant performance parameters involved in monitoring
T1 lines such as Errored Seconds, Severely Errored
Seconds, and Unavailable Seconds.
022798 1/22

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