STS-1/DS-3
Outputs
STSX-1 Compatible with TR-TSY-000253 Framing Overhead for Section,
Line and Path.
DSX-3 Compatible with ANSI-107a-1988 M13 and C-Bit Framing
Bit Delayed Outputs in Pairs
Timing
Internal STS-1 Reference 51.84 MHz +/- 20 ppm
External STS-1 Input Reference 51.84 MHz TTL
Internal DS-3 Reference 44.736 MHz +/- 20 ppm
THRU DS-3 Input Recovers Clock and Data
Internal DS-1 Reference 1.544 MHz +/-30 ppm
THRU DS-1 Input Recovers Clock and Data
Front Panel Switches,
Indicators and Display
Select/Up/Down/Enter Switches
Output STS-1 DS-3 Map (Green)
Output STS-1 DS-1 Map (Green)
Output DS-3 (Green)
DS-3 Frame M13 (Green)
DS-3 Frame C-Bit (Green)
DS-3 Pattern PRBS (Green)
DS-3 Pattern AIS (Green)
DS-3 Ext DS-3 (Green)
DS-1 Internal (Green)
DS-1 THRU (Green)
STS-1 External Clock (Green)
Display Alphanumeric 8 Character
Menu Selections
DS-3: Framing M13 and C-Bit; Patterns PRBS (2e15/2e20/2e23), AIS
and THRU
STS-1/DS-1 (Optional): DS-1 Mapped to VT1.5 Mapped to STS-1. DS-1
Framed SF/ESF QRSS in all 28 DS-1s except Inserted Channel. Inserted
DS-1 (Channel 1-28) SF/ESF/OFF Framed, QRSS/3:24/55/Octet/1:7/All
1s/All 0s/THRU
Error Insert: Burst of 1 to 15 Errors in the Selected Output (1-12)
Rear Panel Inputs and
Outputs
Power -48Vdc, 25 Watts (0.5 Amps)
Fail: CO, NO and NC terminal block contacts for power or internal
ciruitry failure
THRU DS-1 IN: DSX-1 or DSX-1 monitor level input for DS-1 THRU signal
to be inserted
RS-232C: DB-9 Male, 8 data bits, no parity, 1 start, 1 stop, 1200/2400/4800/9600
baud
AUX RS-232C: DB-9 Female, allows daisy chain control of up to nine
additional units
THRU DSX-3 INPUT: DSX-3 or DSX-3 monitor level input for DS-3 EXT
selection
STS-1 CLOCK IN: External STS-1 Reference 51.84 MHz TTL
STS-1 CLOCK OUT: Buffered STS-1 Reference 51.84 MHz TTL
General
Power: -48Vdc
Dimensions: 1.75"H x 17.25"W x 10.25"D
Rack Mount: 19" or 23"
Weight: 4 pounds
Temperature: 0C to 50C Operating, -25C to 75C Storage
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