MH80625C
Protection SIP
Preliminary Information
Features
• 2 x 5.5 ohm high pow er, high voltage, t hick fi lm
protection resistors
• 2 replacea ble 2AG fuses i n surfa ce-mo unte d
fuse clips
Applications
• Protection circuit for the MH89625C OPS SLIC
• Protection circuit for analog line interfaces,
power suppl ies, et c.
Description
The MH80625C hybrid SIP provides a protection
circuit consisting of two 2AG size fuses in surfacemounted fuse clips and two high voltage, high power
resisto rs.
The SIL hybrid, together with an external solid state
protector, provides full secondary protection for the
MH89625C Off-Premise SLIC, allowing conformance
to the requirements of CCITT K.20.
ISSUE 2 April 1995
Ordering Information
MH80625C 10 Pin SIL Package
0°C to 70°C
TIN
RIN
F1
F2
Figure 1 - Functional Block Diagram
R1
TOUT
R2
ROUT
2-3
MH80625C Preliminary Information
IC
NC
RIN
NC
TOU T
ROUT
NC
TIN
NC
IC
1
2
3
4
5
6
7
8
9
10
Figure 2 - Pin Connections
Pin Description
Pin # Name Description
1ICInternal Connection .
2NCNo Connection.
3RINRin g In p u t : Connects to Ring conductor of the Subscriber Loop.
4NCNo Connection.
5TOUTTip Output: Connects to Tip conductor of the SLIC.
6ROUTRing Output: Connects to Ring conductor of the SLIC.
7NCNo Connection.
8TINTip Input : Connects to Tip conductor of the Subscriber Loop.
9NCNo Connection.
10 IC Internal Connection .
2-4