Specifications

Section 360-381-202
16
2. Include the following information:
− Company name and address
− Contact name and phone number
− Inventory of equipment being shipped
− Particulars as to the nature of the failure
− Return shipping address
3. Ship the equipment, purchase order, and above-listed information, transportation prepaid, to the ser-
vice center address shown below.
Charles Service Center
503 N.E. 15th St
P.O. Box 339
Casey, IL 62420-2054
4. Most repaired or replaced units will be returned within 30 or 45 days, depending on the product type
and availability of repair parts. Repaired units are warranted for either 90 days from the date of repair
or for the remaining unexpired portion of the original warranty, whichever is longer.
11. SPECIFICATIONS
11.1 Electrical
Parameter Specification
Carrier Mode Pulse Code Modulation (PCM) DS1
1.544MB/S Framing Format T1 interface is compliant with the T1.403 standard:
SF format: Yellow Alarm
Line loopback, Payload loopback
ESF format: Yellow Alarm
Facility data link
Line loopback, Payload loopback
Line code (software selectable) B8ZS or AMI
Transmit Line Build Out (Software selectable) Short Haul: 0 − 110 ft.
(pre-equalization) 110 − 220 ft.
(CSU application) 220 − 330 ft.
330 − 440 ft.
440 − 550 ft.
550 − 660 ft.
Long Haul (Attenuation): 0dB
(Cable matching) 7.5dB
15dB
22.5dB
Input/output impedances 100 Ohms
Transmission Rate 1.544 MB/s ± 32 ppm
Jitter Attenuation 12dB @ 11.4 Hz
18 dB @ 22.8 Hz
24 dB @ 45.6 Hz
Channel bank input timing (software selectable)
and composite clock output
1: free running timing
2: loop timing (recovered from receive T1)
3: external timing: composite clock input terminal (on rear
panel).