Chapter 2 - installation, 1 unpacking the unit, 2 general installation – CANOGA PERKINS 2262 T1/E1 Fiber Optic Modem User Manual
Page 9: 1 manufacturing settings, 2 fiber cable, Installation, 1 unpacking the unit 2.2 general installation, 1 manufacturing settings 2.2.2 fiber cable

9
2262 T1/E1 Fiber Optic Modem
Canoga Perkins
2. Installation
2.1 Unpacking the Unit
Each 2262 modem is factory tested and shipped in protective cartons. After
unpacking the unit and accessories, retain the shipping carton and protective
packing for reuse in the event a need arises for returning it to the factory.
To assure proper operation of the modem, please inspect it and its shipping carton
carefully for damage. If damage is sustained to the unit, file a liability claim immedi-
ately with the freight carrier. Canoga Perkins is not liable for damage caused during
shipment.
2.2 General Installation
2.2.1 Manufacturing Settings
The 2262 has the following settings from the factory:
•
Switchable AC Power Setting: 230VAC
•
Input DC Power Option:
-48VDC
•
Impedance Option (E1 only):
75
Ω
(Up position for Rack Mount Card)
•
Loopback Switch:
OFF
2.2.2 Fiber Cable
The proposed fiber optic cable must provide adequate bandwidth and optical loss
characteristics for the intended modem link. The 2262 is compatible with 8-10/125
single mode and 62.5/125 multimode cables.
The connectors are clearly marked, either transmit (Tx) or receive (Rx), on the back
panel of stand alone units and on the rear of the 2201 Rack Chassis.
For multimode applications, the 2262 is available with ST* connectors. For single
mode applications, the 2262 is available with FC or ST* connectors.
Warning:
Do not over tighten FC/PC fiber connections - damage may
occur. Hand tighten only!
*ST is a Trademark of AT&T.