Introduction
SMS-7000 Modem Protection Switch
1–12
Rev. 3
1.3 Specifications
Refer to Table 1-5 for operating specifications of the switch.
Table 1-5. SMS-7000 Specifications
Operation
Number of Service Channels
Modular from 1 to 8. Field upgradeable; one data switch
module per channel.
Number of Backups
1 or 2.
Switching Modes
Auto or Manual.
Backup Modes
Dependent.
Independent (transmit/receive).
Modem Priority
Programmable: high, medium, or low.
Configuration Control:
Remote (programmable):
Type
Rate
Local
EIA-485/232 with provisions for future support of standard
network interfaces.
110 to 19200 baud.
Menu-driven from the switch front panel, for both the switch
and the modems.
I/O Interfaces
Control:
Front Panel
Remote
Back-lit LCD display and keypad.
9-pin female D.
Front Panel LEDs:
Switch Status
Switch Fault
Modem Fault
Power On.
Auto.
Manual.
System.
Equipment.
Stored.
Transmit.
Receive.
Monitors:
Modulator Online Status
Demodulator Online Status
Switch Faults
FORM-C relay outputs, 25-pin female D.
FORM-C relay outputs, 25-pin female D.
FORM-C relay outputs, 9-pin female D.
Содержание SMS-7000
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Страница 148: ...2114 WEST 7TH STREET TEMPE ARIZONA 85281 USA 480 333 2200 PHONE 480 333 2161 FAX...