Summary Of Specifications - Comtech EF Data SLM-5650A Installation And Operation Manual

SLM-5650A Satellite Modem
G.703 T1/E1, T2/E2 Interface

13.3 Summary of Specifications

Item
Rx Buffer
GENERAL
Minimum Buffer Size for any rate
Maximum Buffer Size:
G.703 Unbalanced
INTERFACES
External Clock Input
PHYSICAL and
ENVIRONMENTAL
Environmental
Interface Balanced and Unbalanced G.703 ports, T1/E1, T2/E2
Note: Selection of a data rate requires TX and RX having the same data rate.
External Clock Input One input
G.703 Frame
Types
T1
E1
T2
E2
0.5 ms
G.751 61 ms
G.752 44 ms
G.753 61 ms
Tx Clock = Tx, Rx (satellite), or External
Clock Options
Rx Clock = Tx, Rx, External, or Internal
Acquisition Range Programmed Tx data rate ± 100 ppm
Baseband Loopback (at interface)
Test Interface Loopback (through interface card)
2047 test pattern generator
1 channel supporting T1/E1, T2/E2, and G.703
Connector Type BNC, female
Signals Supported ITU-T-G.703 SD, RD
Data Rate 1544, 2048, 6312, and 8448 kbps
Tx and Rx Data Rates Tx and Rx data rates are programmed the same
Line Coding HDB3, B8ZS, B6ZS, HDB3, AMI (Common)
Pulse Mask ITU-T-G.703
Impedance
75 Ω Unbalanced, 150 Ω Balanced Per ITU-T-G.703
Connector BNC, female
Impedance
75 Ω ± 5%
Return Loss per G.703
Synchronization XXXXX Interface
Input Amplitude
0.5 to 5.0 V peak to peak
Input Frequency
1, 2, 5, 10, 20, 1.544, 2.048, 6.312, and 8.448 MHz
Signal Characteristics
Sine wave or square with duty cycle of 50 ± 10%
Alarms Loss of Signal
All 1's
Physical 4.5 W x 6.8 D x .85 H inches (11.43 W x 17.27 D x 2.16H cm)
Temperature 0 to 50 °C (32 to 122°F)
Humidity 0 to 95% non-condensing
Requirements
Note: Programmable in 0.5 ms increments..
Type
G.704
G.704
G.704 12624
G.743
G.747
G.704
G.745
G.742
13–4
Revision 8
MN-SLM5650A
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