Black Box MT1000A-13, Руководство пользователя, Страница: 7 / 44

T1 AND E1 FIBER MUXES
6
1. Specifications
Fiber Optic Interface (All Models)
Standards — ITU-T Rec. G.956
Data Rates — MT1000A-85 and MT1000A-13: 6.176 Mbps, nominal;
MT1000A-E1-85 and MT1000A-E1-13: 8.448 Mbps (E2 link), nominal
Maximum Distance —
MT1000A-85: Multimode up to 3 km (1.9 miles);
MT1000A-13: Single-mode up to 48 km (29.8 miles);
MT1000A-E1-85: Multimode up to 4 km (2.5 miles);
MT1000A-E1-13: Single-mode up to 44 km (27.3)
Performance — See Table 2-1
Connectors — (1) pair ST ®
Supervisor Port Specifications (All Models)
Control DTE Interface — V.24/RS-232, asynchronous
Control DTE Connectors —
(1) DB9 F
Control DTE Data Rates — 9.6, 19.2, 38.4, or 57.6 kbps
Voice Service Channel for Standard Headset (All Models)
Input Impedance — 33 k
Ω
Input Level — 5 mV
Output Level — 50 mW @ 8
Ω
Bandwidth (-3 dB) — 3 to 3000 Hz
Call Indication — LED and internal buzzer
ALARMS Relay Connector (All Models)
Connector — (1) DB9 F
Contact Functions — Set of floating normally closed/normally open contacts for major and minor alarm
indication
Contact Rating (Maximum) — 1 A (at 60 VDC or 30 VAC) through closed contacts