Technical Characteristics
A-3
GDC 048R154-000
(Continued on next page)
Item
Characteristic
Electrical (Cont.)
Timing source
Internal clock, external clock, slave
(received timing loopback)
Network receiver
Operating range
0 to 30 dB of cable loss at 772 kHz
(relative to 3.0V launch pulse)
Input impedance
100 Ohm
Jitter tolerance
Conforms to specifications defined in
AT&T PUB 62411, December 1988
Longitudinal balance
35 dB from 50 to 1500 kHz
Transmitter
Pre-equalization
0 to 655 feet of line length
Impedance
100
Ω
Channel port
(customer equipment) interface
One ITU-T V.35-compatible
synchronous serial data port
Physical interface
ITU-T V.35 (34-pin female connector)
T1 compatibility
Data encoding
AMI with no bipolar violations, and
B8ZS
Clear Channel Capability
B8ZS
Network interface
1.544 Mbps channelized DS1 in con-
secutive or alternate DS0s (complies
with AT&T 54019A specifications for
FT1 transmission)
Can be optioned for unchannelized op-
eration.
