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Specifications, 3 specifications – Comtech EF Data SMS-7000 User Manual

Page 32

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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.